[Certain problems in surgery of ulcer of the stomach and duodenum].
D004386:Duodenum; D006801:Humans; D010437:Peptic Ulcer / Q000601:surgery*; D014456:Ulcer
PEPTIC ULCER/surgery
Nekotorye voprosy khirurgii iazvennoi bolezni zheludka i dvenadsatiperstnoi kishki.