Trypanocidal and leishmanicidal activities of sesquiterpene lactones from Ambrosia tenuifolia Sprengel (Asteraceae). - Sulsen,V.P.; Frank,F.M.; Cazorla,S.I.; Anesini,C.A.; Malchiodi,E.L.; Freixa,B.; Vila,R.; Muschietti,L.V.; Martino,V.S. (Antimicrob Agents Chemother, 2008)