3Wittekind C, Klimpfinger M, Hermanek P, et al.Multiple simultaneous gastric carcinomas[J]. Br J Cancer,1997,76( 12):1604-1609.
4Shibuya H.Muttiple primary cancers in head and neck squamaous cell carcinoma[J]. Head Neck Cancer, 1996,22:163-167.
5Brown SR,Finan PJ,Hall NR,et al.Incidence of DNA replication errors in patients with multiple primary cancers[J].Dis Colon Rectum, 1998,41 (6):765-769.
7Chen HS,Sheen-Chen SM.Synchronous and “early” metachronous colorectal adenocarcinoma:analysis of prognosis and current trends.Dis Colon Rectum,2000,43:1093-1099.
8黄悦勤.临床流行病学[M].北京:人民卫生出版社,2003.81-82
9Warren S, Gates O. Multiple primary malignant tumors: a survey of the literature and a statistical study [ J ]. Am J Cancer, 1932,16 (51 ) : 1 358 - 1 414.