[Possibilities of improving the diagnosis of duodenal bulb ulcer (based on data from long-term outpatient x-ray observation)].
D004381:Duodenal Ulcer / Q000000981:diagnostic imaging*; D006801:Humans; D009031:Moscow; D010044:Outpatient Clinics, Hospital; D011859:Radiography; D012189:Retrospective Studies
Vozmozhnosti uluchsheniia diagnostiki pri iazve lukovitsy dvenadtsatiperstnoĭ kishki (po dannym dlitel'nykh dispansernykh rentgenologicheskikh nabliudeniĭ)