Pierard, L.Jacobs, P.Gheysen, D.Hoylaerts, M.Cravador, A.Herzog, A.Collen, D.Bollen, A.2015-06-152015-06-1519870340-6245http://hdl.handle.net/10400.1/6129Mutant urokinase-type plasminogen activator (u-PA) genes and hybrid genes between tissue-type plasminogen activator (t-PA) and u-Pa have been designed to direct the synthesis of new plasminogen activators.engconference object