Parsons Technology offers a Medical Drug Reference on CD-ROM for Windows. I have a copy, and it has useful information on Sinemet, Eldepryl, Permax, and other drugs, including side effects, interactions, and precautions. For more information: Parsons Technology One Parsons Drive P.O. Box 100 Hiawatha, Iowa 52233-0100 1-800-223-6925 GO PARSONS on CompuServe -Bill