Liu, X and Lynn, BC and Zhang, J and Song, L and Bom, D and Du, W and Curran, DP and Burke, TG  (2002) A versatile prodrug approach for liposomal core-loading of water-insoluble camptothecin anticancer drugs.  Journal of the American Chemical Society, 124 (26).  7650 - 7651.  ISSN 0002-7863