Effect of bupivacaine with epinephrine wound instillation for pain relief after pediatric inguinal herniorrhaphy and hydrocelectomy. - Suraseranivongse,S.; Chowvanayotin,S.; Pirayavaraporn,S.; Kongsayreepong,S.; Gunnaleka,P.; Kraiprasit,K.; Petcharatana,S.; Montapaneewat,T. (Reg Anesth Pain Med, 2003)