title: [RADIOISOTOPE METHODOLOGY IN THE DIAGNOSIS OF GASTROINTESTINAL HEMORRHAGE].
mesh_terms: D002859:Chromium Isotopes; D003933:Diagnosis; D004912:Erythrocytes; D005243:Feces; D006471:Gastrointestinal Hemorrhage; D006470:Hemorrhage; D006801:Humans; D007503:Iron Isotopes; D009780:Occult Blood; D011868:Radioisotopes
chemical_list: D002859:Chromium Isotopes; D007503:Iron Isotopes; D011868:Radioisotopes
keywords: CHROMIUM ISOTOPES; DIAGNOSIS; ERYTHROCYTES; FECES; HEMORRHAGE, GASTROINTESTINAL; IRON ISOTOPES; OCCULT BLOOD; REVIEW
vernacular_title: DIE RADIO-ISOTOPEN-METHODIK IN DER DIAGNOSTIK GASTROINTESTINALER BLUTUNGEN.