Bano, S. ., Tareen, S., Hussain, H. ., Khan, A. ., Salman, M. . and Deane, K. . (2021) “Convalescent plasma and covid-19: Meta-analysis of a century-old technique”, Pakistan Journal of Surgery and Medicine, 1(4), p. e298. doi: 10.37978/pjsm.v1i4.298.