title: [Common nature of ulcer disease].
mesh_terms: D000208:Acute Disease; D002908:Chronic Disease; D006801:Humans; D010437:Peptic Ulcer / Q000209:etiology / Q000628:therapy; D014456:Ulcer / Q000209:etiology* / Q000628:therapy
vernacular_title: O edinstve iazvennoĭ bolezni.