Incidence and clinical significance of anti-PF4/heparin antibodies of the IgG, IgM, and IgA class in 755 consecutive patients samples referred for diagnostic testing for heparin-induced thrombocytopenia - Juhl,D.; Eichler,P.; Lubenow,N.; Strobel,U.; Wessel,A.; Greinacher,A. (Eur J Haematol, 2006)