Antimicrobial and Cytotoxic Activities of Constituents from the Fruit of <i>Albizia lebbeck</i> L. Benth (Fabaceae) oleh Bosco Peron Leutcha, Jean Paul Dzoyem, Jean-Bosco Jouda, Denis Kehdinga Sema, Virginie Flaure Tsague Tankeu, Gabin Thierry Mbahbou Bitchagno, Billy Toussie Tchegnitegni, Flaure Rosette Ehawa Essoung, Bruno Ndjakou Lenta, Siméon Fogue Kouam, Florence Delie, Alain Meli Lannang, Norbert Sewald