| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Oligoclonal protein measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Siderophilin measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Estrogen-progesterone receptor assay measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Ferritin measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Myelin basic protein measurement, spinal fluid | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Unsaturated iron binding capacity measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Methemoglobin measurement, quantitative | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| C-reactive protein measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Hemosiderin, quantitative measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Measurement of protein in urine | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Carcinoembryonic antigen measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Human chorionic gonadotropin measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Albumin/Globulin ratio | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Alpha-1-antitrypsin measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Haptoglobin measurement, chemical | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Methemoglobin measurement, qualitative | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Neopterin measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Alpha-1-Fetoprotein measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Prealbumin measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Beta-2-microglobulin measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Protein electrophoresis | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Estrogen receptor assay | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Measurement of protein in cerebrospinal fluid specimen | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Alpha-1-antitrypsin clearance, feces and serum | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Alpha-1-antitrypsin phenotyping | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Haptoglobin measurement, electrophoresis | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Serum/plasma protein test | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Pleural fluid protein content measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Serum P1 - phenotype level determination | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Serum total protein measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Plasma total protein measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Urine total protein measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Fluid sample total protein measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Urine collagen measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Urine protein NOS | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Hormone radioassay - pituitary | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Troponin measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Measurement of ratio of analyte to albumin | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Measurement of ratio of analyte to total protein | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Measurement of ratio of analyte to lipoprotein | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Monoclonal band identification | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Hyaluronate measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Fluid sample Tau protein measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Urine methemalbumin level | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Beta 2 glycoprotein 1 level | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Insulin growth factor 1 binding protein-3 level | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Serum procollagen type III peptide level | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Intermediate density lipoprotein cholesterol measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Macroglobulins measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Kappa light chain measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Lambda light chain measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid immunoglobulin G ratio and immunoglobulin G index | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Urine protein/creatinine index | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Serum cystatin C measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Teicoplanin measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Vancomycin measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Serum alpha-1-antichymotrypsin level | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Chorionic gonadotropin, alpha subunit measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Low density lipoprotein cholesterol measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Lysosomal enzyme identification | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Amylase clearance | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Blood cystatin C measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Serum protein profile | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Cholinesterase screening test | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Plasma chromogranin B measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Retinol binding protein / creatinine ratio measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Ascitic fluid protein measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Chorionic gonadotropin, beta-subunit measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Chromogranin measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Insulin-like growth factor binding protein 3 measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Procollagen type III N-terminal propeptide measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| S-100 neuronal cell marker measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Adrenocorticotrophic hormone precursor measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Transferrin measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Intracellular free calcium assay | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Paraprotein measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Dipalmitoylphosphatidylcholine measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Lithocholic acid measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Glucose measurement estimated from glycated hemoglobin | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Light chain measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Adrenocorticotropin challenge tests | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Corticotropin, big fragment measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Dipalmitoylphosphatidylcholine measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Total bilirubin, neonatal measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Hemoglobin, unstable measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Immunoglobulin measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Bovine osteocalcin measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Adrenocorticotropic hormone measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Urine protein test | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Serum angiotensin I and II measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Immunoglobulin G synthesis rate measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Antibody measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Amyloid A level | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Insulin measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Measurement of pregnancy associated plasma protein A concentration | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Plasma insulin measurement | Is a | False | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Glycopeptide measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Fibrinogen measurement | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Acute phase screening test | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Measurement of total hemoglobin concentration | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  | 
| Measurement of methemoglobin | Is a | True | Protein measurement | Inferred relationship | Existential restriction modifier |  |