| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Radionuclide two-phase bone study (procedure) | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Radionuclide three-phase bone study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Radionuclide study for quantitation of sacroiliac uptake | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Dicopac test | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| PET-undersökning av hjärnan | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| PET-undersökning av hjärnmetabolism | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| PET-undersökning av glukosmetabolism i hjärnan | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| PET-undersökning av dopametabolismen i hjärnan | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| PET-undersökning av cerebral perfusion | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Radionuclide liquid phase gastric emptying study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Radionuclide solid phase gastric emptying study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Radionuclide breath test | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| C14 triolein breath test | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 3 | 
| C14 glycocholate breath test (procedure) | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| C14 D-Xylose breath test | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| C14 urea breath test | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Radionuclide small intestine permeability study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Colloid study for bleeding | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Protein-losing enteropathy study using radiolabelled chromium chloride | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 3 | 
| Perfusion study - large intestine | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Kidney imaging with vascular flow and function study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 4 | 
| undersökning av levern med bengalrosa märkt med radioaktivt jod | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Kidney transplant evaluation | Direct substance | False | Radioactive isotope | Inferred relationship | Some |  | 
| dynamisk undersökning av levern med ^99m^Tc-märkt kolloid | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 3 | 
| Tc99m-labelled colloid liver study - static | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Radionuclide urinary bladder studies (procedure) | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Radionuclide female genital system study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Radionuclide male genital system study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Radionuclide urinary tract study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Radionuclide study of bone of head | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Radionuclide study of stomach | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Radionuclide study of respiratory function | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Radionuclide study of gastrointestinal function | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Radionuclide small intestine study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| njurundersökning med Tc99m-DMSA | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Tracer study of eye | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Pulmonary ventilation-perfusion study by radioactive krypton | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Radioisotope scan of pancreas | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 3 | 
| Isotope study for glomerular filtration rate | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Gastrointestinal aspirate for localization of blood loss | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Vitamin B12 isotope studies | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Acute gastrointestinal blood loss imaging | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 3 | 
| Testicular imaging with vascular flow | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 4 | 
| Radioisotope study of respiratory system | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Isotope study for gastrointestinal blood loss | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| bilddiagnostik av lever, gallvägar och gallblåsa | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Pulmonary ventilation-perfusion study by radioactive oxygen | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Gastrointestinal protein loss study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Salivary gland imaging | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Bone marrow imaging | Direct substance | False | Radioactive isotope | Inferred relationship | Some |  | 
| isotopundersökning av gallvägarnas genomsläpplighet | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Radioiodohippurate sodium renogram, multiple probes | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Pulmonary perfusion imaging, particulate | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 3 | 
| Radioisotope scan of head | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Brain imaging with vascular flow | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Gastrointestinal isotope fat absorption study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| undersökning av peritoneal venös shunts öppenhet för Leveen-shunt | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Gastrointestinal blood loss study by stool counting | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Pulmonary ventilation perfusion study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 3 | 
| bilddiagnostik av njure, SPECT-teknik | Direct substance | False | Radioactive isotope | Inferred relationship | Some |  | 
| Bone imaging of limited area | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Bowel imaging for volvulus | Direct substance | False | Radioactive isotope | Inferred relationship | Some |  | 
| Radioisotope brain imaging | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Radioisotope scan of bone | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Cerebrospinal fluid flow imaging for CSF leakage detection and localization | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Pulmonary inhalation study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Radioiodinated triolein study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Isotope study for urinary recovery | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Salivary gland imaging with serial views | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| P32 tracer study of eye | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Isotope study for renal clearance | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Kidney imaging with vascular flow | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Pulmonary ventilation-perfusion study by radioactive xenon | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 3 | 
| Radioisotope study of gastrointestinal system | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Radioisotope study of central nervous system (procedure) | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Pulmonary ventilation study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Radioiodohippurate sodium renogram, serial imaging | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Bone imaging, vascular flow study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Radioisotope scan of uterus | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Bowel imaging for ectopic gastric mucosa | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Cerebrospinal fluid flow imaging, shunt evaluation | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| isotopundersökning av cerebralt blodflöde | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Pulmonary perfusion imaging, gaseous | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 3 | 
| Urinary bladder residual urine study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Pulmonary perfusion study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 3 | 
| Radionuclide lacrimal flow study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 2 | 
| Renal function study with serial imaging | Direct substance | False | Radioactive isotope | Inferred relationship | Some |  | 
| Pulmonary ventilation-perfusion study by radioactive nitrogen | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| cisternografisk bilddiagnostik av cerebrospinalvätskeflöde | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 3 | 
| Radioisotope study of musculoskeletal system | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Gastric mucosa imaging | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Bone marrow imaging, limited area | Direct substance | False | Radioactive isotope | Inferred relationship | Some |  | 
| Pulmonary perfusion imaging, gaseous, with ventilation, rebreathing and washout | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Kidney imaging with dynamic function study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 3 | 
| Pulmonary ventilation study, gaseous | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Isotope study for renal plasma flow | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Radioisotope study of genitourinary system | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 | 
| Salivary gland function study | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 3 | 
| Bone marrow imaging, whole body (procedure) | Direct substance | False | Radioactive isotope | Inferred relationship | Some |  | 
| Pulmonary ventilation-perfusion study by radioactive carbon | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 3 | 
| radioisotopundersökning av lunga | Direct substance | False | Radioactive isotope | Inferred relationship | Some | 1 |