title: [Peptic ulcer in persons over 50 years of age (author's transl)].
mesh_terms: D000367:Age Factors; D000368:Aged; D001706:Biopsy; D004381:Duodenal Ulcer / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology / Q000503:physiopathology*; D004386:Duodenum; D004724:Endoscopy; D005260:Female; D005750:Gastric Juice / Q000378:metabolism; D005773:Gastroscopy; D005860:Germany, West; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D013276:Stomach Ulcer / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology / Q000503:physiopathology*
vernacular_title: Uber das Altersulkus an Magen und Zwölffingerdarm