Rao, Muddala Varaprasanna, and S. Jeganath. “Estimation of Levels of Vitamin E in Grade II & III Haemorrhoids: A Prospective Study”. International journal of health sciences 6, no. S2 (June 7, 2022): 13417–13421. Accessed May 13, 2026. https://sciencescholar.us/journal/index.php/ijhs/article/view/8534.