1Cronther ME.Is the nature of cervical carcinoma changing in young women.Obstet Gynecol Survey,1995,50:71
2Rutledge FN,Mitchell MF,Munsell M,er al.Youth as a prognostic factor in carcinoma of cervix:a matched analysis.Gynecol Oncol,1992,44(1):123
3Zondervan KT,Carpenter LM,Painter R,et al.Oral contraceptives and cervical cancer-further findings from the Oxford Family Planning Association contraceptive study.Br J Cancer,1996,73:1291
4John H,Robin A F Cranford,David H Oram.Radical trachelectomy:a way to preserve fertility in the treatment of early cervical cancer.Br J Obstet Gynecol,1998,105(8):912
5Gudrun H,Elisabeth M,Muller Holzener,et al.Ovalian presenvation in the surgical treatment of cervical carcinoma.Am J Obstet Gynecol,1999,180(4):963