RADIOGRAPHIC DEMONSTRATION OF UNKNOWN SITES OF GASTROINTESTINAL BLEEDING.
D006471:Gastrointestinal Hemorrhage; D006470:Hemorrhage; D007456:Iodine Isotopes; D010759:Phosphorus Isotopes; D011874:Radiometry; D012106:Research
D007456:Iodine Isotopes; D010759:Phosphorus Isotopes
EXPERIMENTAL LAB STUDY; HEMORRHAGE, GASTROINTESTINAL; IODINE ISOTOPES, DIAGNOSTIC; PHOSPHORUS ISOTOPES; RADIOMETRY