title: Reduction of ketamine-induced emergence phenomena by preoperative promethazine.
mesh_terms: D002648:Child; D002675:Child, Preschool; D004311:Double-Blind Method; D006212:Hallucinations / Q000517:prevention & control; D006801:Humans; D007649:Ketamine / Q000009:adverse effects*; D009325:Nausea / Q000517:prevention & control; D011398:Promethazine / Q000627:therapeutic use*; D011595:Psychomotor Agitation / Q000517:prevention & control; D014839:Vomiting / Q000517:prevention & control
chemical_list: D007649:Ketamine; D011398:Promethazine