2[2]Andrassy RJ,Hans DM.General principles of surgery.In:Pizzo PA,Poplack DG.Principles and practice of pediatric Oncology[M].3rd Philadelphia:Lippincott, 1997.273- 288.
3[3]Plon SE,Peterson LE.Childhood Cancer,Heredity and the Environment.In: Pizzo PA, Poplack DG.Principles and practice of pediatric oncology [M].3rd Philadelphia: Lippincott,1997.11- 36.
4[5]Dube JD,Courmoyer D.Gene therapy:here to stay [J].Can Med Ass J,1995, 152:1605- 1613.