1. Brogden, R.N., Speight, T.M., Avery, G.S. Streptokinase: a review of its clinical pharmacology, mechanism of action and clinical uses. Drugs 5: 357–445, 1973.
2. A National Cooperative Study: The Urokinase Pulmonary Embolism Trial Circulation 47: Suppl. 2: 1–108, 1973
3. A National Coopertive Study: The Urokinase Streptokinase Pulmonary Embolism Trial. JAMA 229: 1606–1613, 1974.
4. Fratantoni, J.C., Ness, P., Simon, T.L. Thrombolytic Therapy. N. Eng. J. Med. 293: 1073–1078, 1975.
5. Williams, J.R.B. The fibrinolytic activity of urine. Brit. J. Exp. Pathol. 32: 530–537, 1951.