[Gastrointestinal hemorrhage in peptic ulcer of the duodenum].
D004381:Duodenal Ulcer / Q000150:complications; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D009729:Nursing
Zheludochno-kishechnoe krovotechenie pri iazvennoĭ bolezni dvenadtsatiperstnoĭ kishki.