Tworek A, Jaron K, Uszynska-Kaluza B, Rydzewski A, et al. Convalescent plasma treatment is associated with lower mortality and better
outcomes in high risk COVID-19 patients - propensity score matched case-control
study. Int J Infect Dis 2021 Feb 16. pii: S1201-9712(21)00140.
PMID: 33607305