https://www.scirp.org/reference/referencespapers?referenceid=789783
Husain, S.S., Gurewich, V. and Liinsik, B. (1983) Purification and partial characterization of a...
Husain, S.S., Gurewich, V. and Liinsik, B. (1983) Purification and partial characterization of a single-chain high-molecular-weight form of urokinase. Archives...