The Cytotoxic Activity of a Salacia Liana Species from Monteverde, Costa Rica, is Due to a High Concentration of Tingenone - Setzer, William N; Setzer, Mary C; Hopper, Amanda L; Moriarty, Debra M; Lehrman, Ginger K; Niekamp, Katherine L; Morcomb, Suzanne M; Bates, Robert B; McClure, Kelly J; Stessman, Chad C; Haber, William A (Planta Medica, 1998)