1. Aoki, N., von Kaulla, K. N.: Dissimilarity of human vascular plasminogen activator and human urokinase. J. Lab. clin. Med. 78, 354?362 (1971)
2. Brakman, P.: Fibrinolysis. A standardized fibrin plate method and a fibrinolytic assay plasminogen. Amsterdam: Scheltema u. Holkema 1967
3. Buck, F. F., Hummel, B. C. W., DeRenzo, E. C.: Interaction of streptokinase and human plasminogen. J. biol. Chem. 243, 3648?3654 (1968)
4. Christman, J. K., Silverstein, S. C., Acs, G.: Plasminogen activators. In: Proteinases in mammalian cells and tissues. Chapter 2, pp. 91?149 (Ed.) A. J. Barrett, Amsterdam: North-Holland Publishing Co. 1977
5. DeRenzo, E. C., Siiteri, P. K., Hutchins, B. L., Bell, P.: Preparation and certain properties of highly purified streptokinase. J. biol. Chem. 242, 533?542 (1967)