Sohail, Iram, Zartaj Hayat, and Sami Saeed. 2012. “A COMPARATIVE ANALYSIS OF FREQUENCY AND PATTERNS OF OVARIAN TUMOURS AT A TERTIARY CARE HOSPITAL BETWEEN TWO DIFFERENT STUDY PERIODS (2002-2009)”. Journal of Postgraduate Medical Institute 26 (2). https://www.jpmi.org.pk/index.php/jpmi/article/view/1256.