Biological and thrombolytic properties of proenzyme and active forms of human urokinase - Zamarron, C; Lijnen, H R; Van Hoef, B; Collen, D (I. Fibrinolytic and fibrinogenolytic properties in human plasma in vitro of urokinases obtained from human urine or by recombinant DNA technology. Thromb Haemostas, 1984)