Prasanna, D. S. V., D. K. Sowmya, D. V. Devuni, and D. S. Prateek M. “5 DAY CONTINUOUS DOSING WITH ORAL NANO VIT.D3 – A CASE SERIES`”. Indian Journal of Medical Research and Pharmaceutical Sciences, vol. 8, no. 7, July 2021, pp. 1-4, https://ijmrps.com/index.php/ijmrps/article/view/4.