9Nina Duesing,Joerg Schwarz,Matthias Choschzick,Fritz Jaenicke,Friederike Gieseking,Rana Issa,Sven Mahner,Linn Woelber.Assessment of cervical intraepithelial neoplasia (CIN) with colposcopic biopsy and efficacy of loop electrosurgical excision procedure (LEEP)[J].Archives of Gynecology and Obstetrics.2012(6)