Dr B.K. Pandey and Dr. Atul Prakash (2024) “COMPARATIVE STUDY ON VACCINE-INDUCED AND NATURAL IMMUNITY TO COVID-19 IN HIGH-RISK POPULATIONS DHANBAD DISTRICT”., Journal of Population Therapeutics and Clinical Pharmacology, 31(5), pp. 1710–1713. doi:10.53555/jptcp.v31i5.6413.