title: [Chronic duodenitis in patients with duodenal ulcer].
mesh_terms: D000293:Adolescent; D000328:Adult; D002908:Chronic Disease; D004378:Duodenal Diseases / Q000150:complications*; D004381:Duodenal Ulcer / Q000175:diagnosis / Q000209:etiology*; D004751:Enteritis / Q000150:complications*; D006801:Humans; D008297:Male
vernacular_title: K voprosu o khronicheskom duodenite u bol'nykh iazvennoĭ bolezn'iu dvenadtsatiperstnoĭ kishki