Recombinant single-chain urokinase-type plasminogen activator during acute myocardial infarction - Diefenbach, C; Erbel, R; Pop, T; Mathey, D; Schofer, J; Hamm, C; Osterman, H; Schmitz-Hiibner, U; Bleifeld, W; Meyer, J (Am J Cardiol, 1988)