Antioxidant Activity of Maslinic Acid, a Triterpene Derivative Obtained from Olea europaea - Montilla, M Pilar; Agil, Ahmad; Navarro, M Concepción; Jiménez, M Isabel; García-Granados, Andrés; Parra, Andrés; Cabo, M Matilde (Planta Medica, 2003)