Medical research council trial of antilymphocyte globulin in renal transplantation. A multicenter randomized double-blind placebo controlled clinical investigation. by Bell, P, Blamey, R, Briggs, J, Castro, J, Hamilton, D, Knapp, MS, Salaman, JR, Sells, R, Williams, G, Gowans, J, Peto, R, Richards, S, Phillips, A, Weinberg, A, Freestone, D