Antibodies to macromolecular platelet factor 4 - heparin complexes in heparin-induced thrombocytopenia: a study of 44 cases. - Amiral,J.; Bridey,F.; Wolf,M.; Boyer- Neumann,C.; Fressinaud,E.; Vissac,A.M.; Peynaud-Debayle,E.; Dreyfus,M.; Meyer,D. (Thromb Haemostas, 1995)