Selective fibrinolytic activity of recombinant non-glycosylated human prourokinase (single chain urokinase-type plasminogen activator) from bacteria - Hanbiicken, F W; Schneider, J; Günzler, W A; Friderichs, E; Giertz, H; Flohé, L (Arznm Forsch/Drug Res, 1987)