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