Khanam, Afroza, et al. “Prevalence of Cervical Intraepithelial Neoplasia (CIN) at Khulna Division of Bangladesh”. Bangladesh Journal of Obstetrics & Gynaecology, vol. 33, no. 1, Sept. 2019, pp. 21-28, doi:10.3329/bjog.v33i1.43270.