[Chronic duodenitis (gastroduodenitis) as a pre-ulcer disease].
D002908:Chronic Disease; D004382:Duodenitis / Q000150:complications*; D005500:Follow-Up Studies; D005756:Gastritis / Q000150:complications*; D006801:Humans; D010437:Peptic Ulcer / Q000209:etiology*; D011379:Prognosis
Otsenka khronicheskogo duodenita (gastroduodenita) kak pred'iazvennogo zabolevaniia.