Does endoscopy affect the surgical approach to the patient with upper gastrointestinal bleeding?
D004630:Emergencies; D004724:Endoscopy; D005743:Gastrectomy; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000401:mortality / Q000601:surgery; D005774:Gastrostomy; D006801:Humans; D011300:Preoperative Care