[Exchange of vitamins in patients with gastric ulcer and cancer before and after resection of the stomach].
D005743:Gastrectomy / Q000009:adverse effects*; D006801:Humans; D013274:Stomach Neoplasms / Q000601:surgery*; D013276:Stomach Ulcer / Q000601:surgery*; D014804:Vitamin B Deficiency / Q000209:etiology*
Obmen vitaminov u bol'nykh iazvennoĭ boleznyiu i rakom zheludka do i posle rezektsii zheludka.