Bibliografisk träff 1998-01-01 Alkyl esters of camptothecin and 9-nitrocamptothecin: synthesis, in vitro pharmacokinetics, toxicity, and antitumor activity. Cao Z, Harris N, Kozielski A, Vardeman D, Stehlin JS, Giovanella B. J Med Chem · research support, non-u.s. gov't; journal article · DOI 10.1021/jm9607562