Shams, Farrah, and Nawaz Samoo. 2015. “Amount of Calcification and Fibrosis in Placentas: A Comparitive Study from Hypertensive, Diabetic and Normal Pregnancies”. Journal of the Dow University of Health Sciences (JDUHS) 9 (1):37-38. https://jduhs.jduhs.duhs.edu.pk/index.php/jduhs/article/view/1476.