[HIGH DIGESTIVE HEMORRHAGES. (CLASSIFICATION AND OUTLINE FOR THEIR STUDY)].
D002965:Classification; D003933:Diagnosis; D004063:Digestion; D006471:Gastrointestinal Hemorrhage; D006470:Hemorrhage; D006801:Humans; D012106:Research
CLASSIFICATION; DIAGNOSIS; HEMORRHAGE, GASTROINTESTINAL
HEMORRAGIAS DIGESTIVAS ALTAS. (CLASIFICACI'ON Y ESQUEMA PARA SU ESTUDIO)