Sharma, N., A. Parimala, J. K. Shrinivasan, and S. P. “Vertical Teaching Principles: Pregnancy Induced Hypertension”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 5, no. 6, Jan. 2017, pp. 1739-43, doi:10.18203/2320-1770.ijrcog20161655.