Singh, M., S. Saurabh, O. Ali, S. Tripathi, V. K. Pathak, and E. Krishna. “Pattern of Use of Hydroxychloroquine As Prophylaxis Among Health Care Workers Against COVID-19: A KAP Study”. International Journal Of Community Medicine And Public Health, vol. 8, no. 7, June 2021, pp. 3541-5, doi:10.18203/2394-6040.ijcmph20212615.