[High rate of gastrointestinal hemorrhages in geriatrics. Experience of the 4th Chair of Surgery].
D000368:Aged; D006471:Gastrointestinal Hemorrhage / Q000453:epidemiology*; D006801:Humans; D008875:Middle Aged
Hemorragias digestivas altas en geriatria. Experiencia de la IV cátedra de cirugia.