title: [Radioisotope determination of occult hemorrhage in patients with ulcer disease by radioisotopes].
mesh_terms: D000328:Adult; D000368:Aged; D004381:Duodenal Ulcer / Q000150:complications; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009780:Occult Blood; D010438:Peptic Ulcer Hemorrhage / Q000150:complications / Q000175:diagnosis*; D011877:Radionuclide Imaging; D013276:Stomach Ulcer / Q000150:complications / Q000175:diagnosis
vernacular_title: Opredelenie radioizotopnym metodom skrytykh krovotecheniĭ u bolńykh iazvenneĭ boleznitiu.