Syam Sundar Junapudi, and B Babu Rao. “A Comparative Study of Prevalence of Hypertension Among Urban, and Rural Population of South Indian City, Hyderabad”. International Journal of Health and Clinical Research, vol. 4, no. 14, Aug. 2021, pp. 6-9, https://www.ijhcr.com/index.php/ijhcr/article/view/2215.