[DIGESTIVE HEMORRHAGE. (NOTE ON 3 UNUSUAL CASES)].
D004379:Duodenal Neoplasms; D006471:Gastrointestinal Hemorrhage; D005770:Gastrointestinal Neoplasms; D005853:Geriatrics; D006801:Humans; D008643:Mesentery; D009442:Neurilemmoma; D017253:Neurofibromatoses; D013274:Stomach Neoplasms
DUODENAL NEOPLASMS; GASTROINTESTINAL NEOPLASMS; GERIATRICS; HEMORRHAGE, GASTROINTESTINAL; MESENTERY; NEURILEMMOMA; NEUROFIBROMATOSIS; STOMACH NEOPLASMS
HEMORRAGIA DIGESTIVA. (NOTA A PROP'OSITO DE 3 CASOS POUCO FREQUENTES)