@@ 一、文献类型rn治疗与预后.rn二、证据水平rn1b.rn三、文献来源rnAlan DC, Richard S, Laurence E. Surgical resection of pri-mary tumors in patients who present with stageⅣ colorectal can-cer: An analysis of Surveillance, Epidemiolgy, and End Rcsults data, 1988 to 2000[J]. Ann Stag Oncol, 2005, 12(8): 637-645.
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