LEWIS, J H Studies on a proteolytic enzyme system of the blood. II. Fibrinolysokinase activators for profibrinolysin. [electronic resource] - The Journal of clinical investigation Aug 1950 - 1059-68 p. digital Publication Type: Journal Article ISSN: 0021-9738 Standard No.: 10.1172/JCI102337 doi Subjects--Topical Terms: BloodEnzymesHumansHydrolasesPeptide HydrolasesPlasminogen