title: [Role of duodenal fibroscopic and histological studies in the diagnosis of exacerbations of duodenal ulcer].
mesh_terms: D001706:Biopsy; D004381:Duodenal Ulcer / Q000175:diagnosis* / Q000473:pathology; D004384:Duodenoscopy; D005336:Fiber Optic Technology; D005753:Gastric Mucosa / Q000473:pathology; D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000473:pathology; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology; D008679:Metaplasia / Q000473:pathology
vernacular_title: Rol' duodenofibroskopicheskikh i gistologicheskikh issledovaniĭ v diagnostike obostreniĭ iazvennoĭ bolezni dvenadtsatiperstnoĭ kishki.