1 . Engin Oral . Prevalence of endo metriosis in malignant epi‐thelial ovary tu mours . European journal of Obstet Gyne‐col and Reproductive Biology,2003,109:97‐.2 . Melin A,Sparen P,Persson I,et al . Endo metriosis and the riskof cancer with special emphasis on ovarian cancer . Hu man Reproduction,2006,21.5 . Ca mpbell I G,Tho mas EJ . Endo metriosis:candidate genes . Hu m Reprod Update,2001,7.
……