2Greendale G A,Sowers M.The menopause transion[J].Endocringol Metab Clin North Am,1997,26(2):261.
3Reich O,Pickel H,Tamussino K,et al.Microinvasive carcinoma of the cervix:site of first focus of invasion[J].Obstet Gynecol,2001,97(6):890-892.
4Howells R E,O Mahony F,Tucker H,et al.How can the incidence of negative specimens resulting from large loop excision of the cervical transformation zone(LLETZ)be reduced?An analysis of negative LLETZ specimens and development of a predictive model[J].BJOG,2000,107(9):1075-1082.