Saha, S., S. Biswas, D. Mitra, A. Adhikari, and C. Saha. “Histologic and Morphometric Study of Human Placenta in Gestational Diabetes Mellitus”. Italian Journal of Anatomy and Embryology, vol. 119, no. 1, June 2014, pp. 1-9, https://oajournals.fupress.net/index.php/ijae/article/view/1201.