References
- Rivera-Luna R, Leal-Leal C, Cardenas-Cardos R, et al. A survey of 4076 children with cancer: certain epidemiological aspects from a single institution. Bol Med Hosp Infan Mex. 1996;53:598–605.
- Kaplan EL, Meier P. Nonparametric estimation from incomplete observatio ns. J Am Stat Assoc. 1958;53: 457–481.
- Vlasak R, Franklin H. Ewing's sarcoma. Orthop Clin North Am. 1996;27:591–603.
- Pritchard DJ, Bahlin DC, Dauphine RT, et al. Ewing's sarcoma: a clinicopathological and statistical analysis of patients surviving five years or longer. J BoneJoint Surg (Am). 1975;57:10–16.
- Gasparini M, Lombardi F, Gianni C, et al. Localized Ewing sarcoma: results of integrated therapy and analysis of failures. Eur J Cancer Clin Oncol. 1981;17:1205–1209.
- Hayes FA, Thompson El, Hutsu HO, et al. Metastatic Ewing's sarcoma: remission induction and survival. J Clin Oncol. 1987;5:1199–1204.
- Wessalowski R, Jurgens H, Bodenstein H, et al. Results of treatment of primary metastatic Ewing's sarcoma: a retrospective analysis of 48 patients. Klin Paediatr 1989;200:256–260.