3Mitchell MF, Schottenfeld D,Tortolero-Luna G,et al.Colposcopy for the diagnosis of squamous intraep ithelial lesions:a meta analysis[J]. Obstet Gynecol,1998,91:626.
4Benedet JL,Matisic JP,Bertrand MA.An analysis of 84244 patients from the British Columbia cytology-colposcopy program[J].Gynecol Oncol,2004,92(1): 127.
