[1]
Mathur, N.N. et al. 2021. A retrospective cohort study to find out the association of hydroxychloroquine prophylaxis and COVID 19 infection prevention among health care workers in a tertiary care hospital of New Delhi. Indian Journal of Community Health. 33, 2 (Jun. 2021), 250–255. DOI:https://doi.org/10.47203/IJCH.2021.v33i02.005.