Alpha 1, antitrypsin Pittsburgh (Met358→Arg) inhibits the contact pathway of intrinsic coagulation and alters the release of human neutrophil elastase during simulated extracorporeal circulation. - Wachtfogel, YT; Bischoff, R; Bauer, R; Hack, CE; Nuijens, JH; Kucich, U; Niewiarowski, S; Edmunds, LH, Jr; Colman, RW (Thromb Haemost, 1994)