title: [Modern methods of diagnosis in peptic ulcer of the duodenum].
mesh_terms: D000293:Adolescent; D000328:Adult; D001706:Biopsy; D002908:Chronic Disease; D004381:Duodenal Ulcer / Q000175:diagnosis*; D005745:Gastric Acidity Determination; D005753:Gastric Mucosa / Q000378:metabolism; D005773:Gastroscopy; D006801:Humans; D008875:Middle Aged; D010437:Peptic Ulcer / Q000175:diagnosis*
vernacular_title: Sovremennye metody diagnostiki pri iazvennoĭ bolezni dvenadtsatiperstnoĭ kishki