Trichobezoar:  survival following complication of perforated ulcer.
D001630:Bezoars / Q000150:complications*; D004064:Digestive System; D005767:Gastrointestinal Diseases; D006801:Humans; D010439:Peptic Ulcer Perforation; D014456:Ulcer
BEZOARS/complications; PEPTIC ULCER/perforation