Vasorelaxing Properties and Bio-Guided Fractionation of Cedrelopsis grevei - Rakotoarison, Olivier; Rabenau, Ingeborg; Lobstein, Annelise; Um, Byung-Hun; Schott, Christa; Anton, Robert; Randriantsoa, Adolphe; Andriantsitohaina, Ramaoson (Planta Medica, 2003)