Onocha, P., D. Okorie, J. Connolly, H. Krebs, B. Meier, and G. Habermehl. “CYTOTOXIC ACTIVITY OF THE CONSTITUENTS OF <i>ANTHOCLEISTA DJALONENSIS</I> AND THEIR DERIVATIVES”. Nigerian Journal of Natural Products and Medicine, vol. 7, no. 1, July 2004, pp. 58-60, doi:10.4314/njnpm.v7i1.11710.