Isolation and characterization of a fibrinogen-clotting enzyme from venom of the snake, Lachesis muta muta (Peruvian bushmaster). - Yarleque, AL; Campos, S; Escobar, E; Lazo, F; Sanchez, N; Hyslop, S; Marsh, NA; Butterworth, PJ; Price, RG (Toxicon, 1989)