S. Levy

A phase I and pharmacokinetic study of a new camptothecin derivative, 9-aminocamptothecin.

D. Toppmeyer, S. Hurwitz, A. Rosowsky, 1995, Clinical cancer research : an official journal of the American Association for Cancer Research.

Agriculture and economic development in Indonesia

S. Levy, 2008, Economic Botany.