title: Ketamine: parenteral anaesthesia for tonsillectomy.
mesh_terms: D000293:Adolescent; D000328:Adult; D000771:Anesthesia, Intravenous; D002648:Child; D005260:Female; D006801:Humans; D007649:Ketamine; D008297:Male; D009549:Nigeria; D011229:Preanesthetic Medication; D011300:Preoperative Care; D014068:Tonsillectomy
chemical_list: D007649:Ketamine