[Re-evaluation of the time and opportunity for fibroscopy in the diagnosis of upper digestive hemorrhage].
D004630:Emergencies; D004724:Endoscopy; D005069:Evaluation Studies as Topic; D005336:Fiber Optic Technology; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D006801:Humans
Reevaluación del momento y oportunidad de la fibroscopia en el diagnóstico de la hemorragia digestiva superior.