Comparison of SARS‐CoV‐2 neutralizing antibody testing of convalescent plasma donations in the Netherlands and England: A pilot study. Issue 4 (2nd December 2021) - Harvala, Heli; Gopal, Robin; Patel, Monika; Zambon, Maria; Roberts, David; Lamikanra, Abigail; Ploeg, Rutger; Hoogerwerf, Marieke; Zaaijer, Hans; Hogema, Boris; Reusken, Chantal; van der Schoot, Ellen; et al.