Akhter, F., R. Ferdousi, and R. Sultana. “Gross Morphological Variation in Preterm Placenta in Gestational Diabetes Mellitus and Pregnancy Induced Hypertension”. Journal of Enam Medical College, vol. 1, no. 2, July 2012, pp. 71-75, doi:10.3329/jemc.v1i2.11466.