Deficiency of a hitherto unrecognized agent, Fitzgerald factor, participating in surface mediated reactions of clotting, fibrinolysis, generation of kinins, and the property of diluted plasma enhancing vascular permeability (PF/DIL) - Saito, H; Ratnoff, O D; Waldmann, R; Abraham, J P; Fitzgerald, trait (J Clin Invest, 1975)