3Bowers D C,Aquino V M,Leavey P J,et al.Phase Istudy of oral cyclophosphamide and oral topotecan for children with recurrent or refractory solid tumors[J].Pediatr Blood Cancer,2004,42(1):93-98.
4Perez Martinez A,Contra T,Scaglione C,et al.Topotecan for pediatric patients with resistant and recurrent solid tumors[J].An Pediatr (Barc),2003,59(2):143-148.
5Vassal G,Doz F,Frappaz D,et al.A phase I study of irinotecan as a 3-week schedule in children with refractory or recurrent sol id tumors[J].J Clin Oncol,2003,21(20):3844-3852.
