5PARKIN DM, BRAY F, FERLAY J,et al. Global cancer Statis-tics ,2002 [J], CA Cancer J Clin ,2005,55(2) :74 - 108.
6The Ministry of Health of the People's Republic of China. Thirdnational retrospect spot-check of death-causation [ M ]. Beijing:Peking Union Medical College Press,2008 : 10.
7PATRICK T, SU SG, ARBUCK EA, et al. New guidelines to e-valuate the response to treatment in solid tumors[ J]. / Nat Canc-er Inst, 2000,92(3) : 205 -216.
8HIGGINS J, GREEN S. Cochrane handbook for systematic re-views of interventions version 5.0. 0 [ M ]. England: The Co-chrane Collaboration, 2008 :42 -47.