title: [Contemporary concept of chronic stomach ulcer as precancerous state].
authors.forename: A F
authors.initials: AF
authors.lastname: Chernousov
authors.forename: K E
authors.initials: KE
authors.lastname: Volynchik
mesh_terms: D002908:Chronic Disease; D005762:Gastroenterology / Q000379:methods*; D006801:Humans; D011230:Precancerous Conditions / Q000473:pathology*; D013274:Stomach Neoplasms / Q000473:pathology*; D013276:Stomach Ulcer / Q000473:pathology*