Naveenreddy, Samala, Jaydip Ray Chaudhuri, Kandadai Rukmini Mridula, Banda Balaraju, and VCS Srinivasarao Bandaru. “Association of Serum 25-Hydroxyvitamin D in COVID-19: A Study from India”. Nepal Mediciti Medical Journal 2, no. 1 (May 21, 2021): 26–33. Accessed April 28, 2024. https://nepjol.info/index.php/nmmj/article/view/37218.