Singh, Aradhana, Sweta Mishra, Vani Aditya, and Reena Srivastava. 2017. “of Vitamin D Deficiency With Occurrence of Pre Eclampsia Among Inpatients of Tertiary Care Centre, Gorakhpur, Uttar Pradesh, India”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 5 (5):1304-8. https://doi.org/10.18203/2320-1770.ijrcog20161280.