Characterization of a chimeric plasminogen activator consisting of amino acids 1 to 274 of tissue-type plasminogen activator and amino acids 138 to 411 of single chain urokinase-type plasminogen activator - Lijnen, HR; Nelles, L; Van Hoef, B; Demarsin, E; Collen, D (J Biol Chem, 1988)