3[4]Altman RP,Randolph JG,Lilly JR. Sacrococcygeal ter atoma: American Academy of Pediatrics Surgical Section Survey-1973[J]. J Pediatr Surg. 1974; 9(3): 389-398.
4[6]Hawkins E,Issacs H,Cushing B,et al. Occult malignancy in neonatal sacrococcygeal teratomas. A report from a Com bined Pediatric Oncology Group and Children's Cancer Group study[J]. Am J Pediatr Hematol Oncol. 1993; 15(4):406-409.