Ahmad, N.; Azra; Muhammad, H.; Khan, I. N.; Siraj, S.; Ahmad, S. .; Zakria, M. .; Asif Ali; Yasar Mehmood Yousafzai. EFFECTIVENESS OF PCR POOL TESTING FOR SCREENING OF COVID-19 INFECTION IN PAKISTAN. J Ayub Med Coll Abbottabad 2022, 34, 821-826.