[Value of endoscopic examination of patients with peptic ulcer in polyclinics].
D000553:Ambulatory Care; D004381:Duodenal Ulcer / Q000175:diagnosis*; D004384:Duodenoscopy; D005069:Evaluation Studies as Topic; D005773:Gastroscopy; D006801:Humans; D013276:Stomach Ulcer / Q000175:diagnosis*
Znachenie endoskopicheskogo issledovaniia pri dispanserizatsii bol'nykh iazvennoĭ bolezn'iu.