Construction and expression of hybrid plasminogen activators prepared from tissue-type plasminogen activator and urinokase-type plasminogen activator genes - Lee, S G; Kalyan, N; Wilhelm, J; Hum, W T; Rappaport, R; Cheng, S M; Dheer, S; Urbano, C; Hartzell, R W; Ronchetti-Blume, M; Levner, M; Hung, P P (J Biol Chem, 1988)