Recombinant fibrinogen Vlissingen/Frankfurt IV. The deletion of residues 319 and 320 from the γ chain of fibrinogen alters calcium binding, fibrin polymerization, cross-linking, and platelet aggregation - Hogan, KA; Gorkun, OV; Lounes, KC; Coates, A, I; Weisel, JW; Hantgan, RR; Lord, ST (J Biol Chem, 2000)