4[1]Andrews K,Fitzgerald M.Cutaneous flexion reflex in human neonates:a quantitative study of threshold and stimulus-response characteristics after single and repeated stimuli[J].Dev Med Child Neurol,1999,41:696~703.
5[2]Sittl R,Griebinger N,Koppert W,et al.Managerment of postoperative pain in children[J].Schmerz,2000,14:333~339.
6[3]Howard RF.Current status of pain management in children[J].JAMA,2003,12 ;464~469.
7[5]Ozcengiz D,Gunduz M,Ozbek H,et al.Comparison of caudal morphine and tramadol for postoperative pain control in children undergoing inguinal herniorrhaphy[J].Paediatr Anaesth,2001,11:459~464.
9Shintani T,Asakura A.Evaluation of the role of adenotonsillar hyprtrophy and facial morphlogy in Children with obstructiresleep opnea[J].ORL,J Otorhinolaryngol Relat Spee,1997,59:286-291.