1303413007: Laparoscopic sigmoid colectomy (procedure)

SNOMED CT Concept\Procedure\...

\Surgical procedure (procedure)\Surgical removal\Excision\Trunk excision\Excision of pelvis (procedure)\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Surgical removal\Excision\Trunk excision\Abdomen excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Surgical removal\Excision\Trunk excision\Abdomen excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Surgical removal\Excision\Gastrointestinal tract excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Surgical removal\Excision\Gastrointestinal tract excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operative procedure on digestive organ\Operation on intestine\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operative procedure on digestive organ\Operation on intestine\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operative procedure on digestive organ\Operation on intestine\Operative procedure on large intestine\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operative procedure on digestive organ\Operation on intestine\Operative procedure on large intestine\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operative procedure on digestive organ\Operation on intestine\Operative procedure on large intestine\Operation on colon\Operation on sigmoid\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operative procedure on digestive organ\Operation on intestine\Operative procedure on large intestine\Operation on colon\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operative procedure on digestive organ\Operation on intestine\Operative procedure on large intestine\Operation on colon\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Gastrointestinal tract excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Gastrointestinal tract excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Operation on intestine\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Operation on intestine\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Operation on intestine\Operative procedure on large intestine\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Operation on intestine\Operative procedure on large intestine\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Operation on intestine\Operative procedure on large intestine\Operation on colon\Operation on sigmoid\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Operation on intestine\Operative procedure on large intestine\Operation on colon\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Operation on intestine\Operative procedure on large intestine\Operation on colon\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Operation on pelvic region of trunk (procedure)\Excision of pelvis (procedure)\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Operation on pelvic region of trunk (procedure)\Operation on sigmoid\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Trunk excision\Excision of pelvis (procedure)\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Trunk excision\Abdomen excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Trunk excision\Abdomen excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Trunk incision\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Abdomen excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Abdomen excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Operation on intestine\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Operation on intestine\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Operation on intestine\Operative procedure on large intestine\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Operation on intestine\Operative procedure on large intestine\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Operation on intestine\Operative procedure on large intestine\Operation on colon\Operation on sigmoid\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Operation on intestine\Operative procedure on large intestine\Operation on colon\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Operation on trunk\Operation on abdominal region\Operation on intestine\Operative procedure on large intestine\Operation on colon\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Surgical procedure (procedure)\Incision\Trunk incision\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy

\Endoscopic operation\Endoscopy (procedure)\Abdomen endoscopy\Laparoscopy\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy

\Procedure by method\Evaluation procedure (procedure)\Examination by method\Inspection\Endoscopy (procedure)\Abdomen endoscopy\Laparoscopy\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Evaluation procedure (procedure)\Examination by method\Physical examination\Examination of abdomen\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Evaluation procedure (procedure)\Examination by method\Physical examination\Abdomen endoscopy\Laparoscopy\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Removal\Surgical removal\Excision\Trunk excision\Excision of pelvis (procedure)\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Removal\Surgical removal\Excision\Trunk excision\Abdomen excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Removal\Surgical removal\Excision\Trunk excision\Abdomen excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Removal\Surgical removal\Excision\Gastrointestinal tract excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Removal\Surgical removal\Excision\Gastrointestinal tract excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Interview, history AND/OR physical examination\Examination by method\Inspection\Endoscopy (procedure)\Abdomen endoscopy\Laparoscopy\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Interview, history AND/OR physical examination\Examination by method\Physical examination\Examination of abdomen\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Interview, history AND/OR physical examination\Examination by method\Physical examination\Abdomen endoscopy\Laparoscopy\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operative procedure on digestive organ\Operation on intestine\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operative procedure on digestive organ\Operation on intestine\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operative procedure on digestive organ\Operation on intestine\Operative procedure on large intestine\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operative procedure on digestive organ\Operation on intestine\Operative procedure on large intestine\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operative procedure on digestive organ\Operation on intestine\Operative procedure on large intestine\Operation on colon\Operation on sigmoid\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operative procedure on digestive organ\Operation on intestine\Operative procedure on large intestine\Operation on colon\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operative procedure on digestive organ\Operation on intestine\Operative procedure on large intestine\Operation on colon\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Gastrointestinal tract excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Gastrointestinal tract excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Operation on intestine\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Operation on intestine\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Operation on intestine\Operative procedure on large intestine\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Operation on intestine\Operative procedure on large intestine\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Operation on intestine\Operative procedure on large intestine\Operation on colon\Operation on sigmoid\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Operation on intestine\Operative procedure on large intestine\Operation on colon\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operative procedure on digestive system\Operation on digestive tract\Operation on gastrointestinal tract (procedure)\Operation on intestine\Operative procedure on large intestine\Operation on colon\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Operation on pelvic region of trunk (procedure)\Excision of pelvis (procedure)\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Operation on pelvic region of trunk (procedure)\Operation on sigmoid\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Trunk excision\Excision of pelvis (procedure)\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Trunk excision\Abdomen excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Trunk excision\Abdomen excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Trunk incision\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Operation on abdominal region\Abdomen excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Operation on abdominal region\Abdomen excision\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Operation on abdominal region\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Operation on abdominal region\Operation on intestine\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Operation on abdominal region\Operation on intestine\Excision of intestinal structure\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Operation on abdominal region\Operation on intestine\Operative procedure on large intestine\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Operation on abdominal region\Operation on intestine\Operative procedure on large intestine\Large intestine excision\Partial excision of large intestine\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Operation on abdominal region\Operation on intestine\Operative procedure on large intestine\Operation on colon\Operation on sigmoid\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Operation on abdominal region\Operation on intestine\Operative procedure on large intestine\Operation on colon\Excision of colon (procedure)\Partial resection of colon\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy
\Procedure by method\Operation on trunk\Operation on abdominal region\Operation on intestine\Operative procedure on large intestine\Operation on colon\Excision of colon (procedure)\Partial resection of colon\Sigmoid colectomy\Laparoscopic sigmoid colectomy
\Procedure by method\Incision\Trunk incision\Abdomen incision\Incision of abdominal wall\Laparoscopy\Laparoscopic excision of part of colon (procedure)\Laparoscopic sigmoid colectomy

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 01-Feb 2024. Module: SNOMED CT core

Descriptions:

Id Description Lang Type Status Case? Module

5306375016 Laparoscopic sigmoid colectomy en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core

5306376015 Laparoscopic sigmoid colectomy (procedure) en Fully specified name Active Entire term case insensitive (core metadata concept) SNOMED CT core

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Laparoscopic sigmoid colectomy	Method	Incision - action	true	Inferred relationship	Some	1
Laparoscopic sigmoid colectomy	Procedure site - Direct (attribute)	Anterior abdominal wall structure	true	Inferred relationship	Some	1
Laparoscopic sigmoid colectomy	Method	Excision - action (qualifier value)	true	Inferred relationship	Some	2
Laparoscopic sigmoid colectomy	Procedure site - Direct (attribute)	Sigmoid colon structure	true	Inferred relationship	Some	2
Laparoscopic sigmoid colectomy	Method	Inspection - action	true	Inferred relationship	Some	3
Laparoscopic sigmoid colectomy	Procedure site - Direct (attribute)	Abdomen	true	Inferred relationship	Some	3
Laparoscopic sigmoid colectomy	Using device (attribute)	Laparoscope	true	Inferred relationship	Some	3
Laparoscopic sigmoid colectomy	Is a	Laparoscopic excision of part of colon (procedure)	true	Inferred relationship	Some
Laparoscopic sigmoid colectomy	Is a	Sigmoid colectomy	true	Inferred relationship	Some

Inbound Relationships

Type

Active

Source

Characteristic

Refinability

Group

Reference Sets