Sabir, Samina Aliya, Lubna Hassan, and Iqbal Hussain. 2013. “Frequency of Smear Positive Precancerous Cervical Lesions in Patients Attending Outpatient Department of a Tertiary Care Hospital”. Journal of Postgraduate Medical Institute 27 (4). https://www.jpmi.org.pk/index.php/jpmi/article/view/1413.