... system: anti-D or -D, -E, 3; -c, 5; -c, -E, 6; -E, 12; -C or -Cw, 3; -C, -E, 1; -e, 1; Jk system: 27 (-Jka, 24 ; -Jkb, 23 ); Fy system: 13 (all -Fya); Kell system: 12 (all anti-K); MNSs ... Errors in blood trans-fusion in Britain: survey of hospital haematology depart-ments. BMJ 308: 120 5– 120 6Mair B, Benson K (1998) Evaluation of changes in hemo-globin levels associated with ABO-incompatible ... (1946) A clinical study of transfusion reactions. The hemolytic effect of group O blood andpooled plasma containing incompatible isoagglutinins. J Clin Invest 25 : 627 Eklund J, Nevanlinna HR...