[Several problems in stomach and duodenal ulcer].
D004381:Duodenal Ulcer / Q000209:etiology / Q000601:surgery; D006801:Humans; D013276:Stomach Ulcer / Q000209:etiology / Q000601:surgery
O nekotorykh problemakh iazvennoĭ bolezni zheludka i dvenadtsatiperstnoĭ kishki.