[Surgical treatment of "difficult" duodenal ulcers].
D004381:Duodenal Ulcer / Q000150:complications / Q000601:surgery*; D005743:Gastrectomy; D006801:Humans; D014629:Vagotomy, Proximal Gastric
Khirurgicheskoe lechenie bol'nykh s "trudnymi" iazvami dvenadtsatiperstnoĭ kishki.