Shahid, A., S. Shahid, M. Ashraf, and K. Saeed. “Contact Tracing Along With Epidemiological and Clinical Characteristics of Novel Corona Virus 2019 in Prisoners of Camp Jail, Lahore – A prospective Case Ascertaining Study”. Pakistan Journal of Medical Sciences, Vol. 38, no. 3, Jan. 2022, doi:10.12669/pjms.38.3.4753.