New Constituents with Growth-Inhibitory Activity against the Co-115 Human Colon Carcinoma Cell Line and A New Antifungal Phloroglucinol Derivative from Hypericum calycinum - Decosterd, L A; Stoeckli-Evans, H; Chapuis, J -C; Sordat, B; Hostettmann, K (Planta Medica, 1989)