Convalescent plasma therapy for the treatment of patients with COVID‐19: Assessment of methods available for antibody detection and their correlation with neutralising antibody lev... by Harvala, H, Robb, ML, Watkins, N, Ijaz, S, Dicks, S, Patel, M, Supasa, P, Wanwisa, D, Liu, C, Mongkolsapaya, J, Bown, A, Bailey, D, Vipond, R, Grayson, N, Temperton, N, Gupta, S, Ploeg, RJ, Bolton, J, Fyfe, A, Gopal, R, Simmonds, P, Screaton, G, Thompson, C, Brooks, T, Zambon, M, Miflin, G, Roberts, DJ