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Barrows, L. R., Radisky, D. C., Copp, B. R., Swaffar, D. S., Kramer, R. A., Warters, R. L., Ireland, C. M. 1993. Makaluvamines, Marine Natural Products are Active Anti-Cancer Agents and DNA Topo II Inhibitors. Anticancer Drug Design, 8: 333-347.