Bala, Ripan, Harmanpreet Kaur, and Madhu Nagpal. 2016. “Authenticity of Vitamin D in Modified Vaginal Health Index in Geriatric Subjects”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 5 (12):4119-22. https://doi.org/10.18203/2320-1770.ijrcog20164067.