title: [Etiology and pathogenesis of chronic gastric and duodenal ulcer].
mesh_terms: D000017:ABO Blood-Group System; D002908:Chronic Disease; D004381:Duodenal Ulcer / Q000139:chemically induced / Q000209:etiology* / Q000276:immunology; D004777:Environment; D005750:Gastric Juice / Q000378:metabolism; D005753:Gastric Mucosa / Q000378:metabolism; D005768:Gastrointestinal Hormones / Q000378:metabolism; D006801:Humans; D010434:Pepsin A / Q000378:metabolism; D012907:Smoking / Q000150:complications; D013276:Stomach Ulcer / Q000139:chemically induced / Q000209:etiology*
chemical_list: D000017:ABO Blood-Group System; D005768:Gastrointestinal Hormones; D010434:Pepsin A
vernacular_title: Etiopatogeneza choroby wrzodowej zoładka i dwunastnicy