Detection of minute gastrointestinal bleeding utilizing radioactive iron, Fe59.
D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage; D007501:Iron; D007504:Iron Radioisotopes; D011851:Radioactivity
D007504:Iron Radioisotopes; D007501:Iron
GASTROINTESTINAL SYSTEM/hemorrhage; IRON/radioactive