Santana, ABValente, ENeres, JMoreira, RPalma, NGrancho, APDomingos, AClemente, AIley, J2015-12-302015-12-302000http://hdl.handle.net/10451/22234application/pdfengN-Acyloxymethyl-2-azetidinones as Human Leukocyte Elastase Inhibitorsjournal article