Massive posttonsillectomy hemorrhage.
D002342:Carotid Artery, External / Q000601:surgery; D002648:Child; D003097:Collateral Circulation; D005260:Female; D006470:Hemorrhage / Q000209:etiology* / Q000601:surgery; D006801:Humans; D008026:Ligation; D014066:Palatine Tonsil / Q000098:blood supply; D014068:Tonsillectomy / Q000009:adverse effects*