8Brennan MF.Retroperitoneal sarcoma:time for a national trial[J].Ann Surg Oncol,2002,9(4):324-325.
9Schwarzbach MHM,Cardona S,Hinz U,et al.Clinical results in the treatment of primary and locally recurrent retroperitoneal softtissue sarcomas[J].Sarcoma,2005,9(11):107.
10Youssef E,Fontanesi F,Mott M,et al.Long-term outcome of combined modality therapy in retroperitoneal and deep-trunk soft tissue sarcoma:analysis of prognostic factors[J].Int J Radiat Oncol Biol Phys,2002,54(2):514-519.
