Caudal block for post-operative pain relief in children.
D000771:Anesthesia, Intravenous; D000775:Anesthesia, Spinal; D002045:Bupivacaine; D002944:Circumcision, Male; D004837:Epinephrine; D006801:Humans; D007223:Infant; D007649:Ketamine; D008297:Male; D010044:Outpatient Clinics, Hospital; D010149:Postoperative Pain / Q000517:prevention & control*
D007649:Ketamine; D002045:Bupivacaine; D004837:Epinephrine