References
  1. Liu H, Wanmeng L, Wenlong Y, Youfei Q. Giant retroperitoneal teratoma in adult. Am J Surg 2007;193(6):736-737
  2. Gatcombe HG, Assikis V, Kooby D, Johnstone PAS. Primary retroperitoneal teratomas: a review of the literature. J Surg Oncol 2004;86(2): 107-113
  3. Pinson CW, Remine SG, Fletcher WS, Braasch JW. Long-term results with primary retroperitoneal tumors. Archives of Surgery 1989; 124(10):1168-1173