Parveen, Kawser, et al. “Cervical Pap Smear Examination - A Cost-Effective Screening Test to Reduce the Mortality of Cervical Cancer”. Journal of Dhaka National Medical College & Hospital, vol. 19, no. 1, Mar. 2013, pp. 49-53, doi:10.3329/jdnmch.v19i1.77671.