Download or read book Planaria: A Model for Drug Action and Abuse written by Robert B. Raffa and published by CRC Press. This book was released on 2008-12-03 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of drug action has benefitted greatly from the development and use of in vivo model systems. In model systems, manipulations and observations can be more rigorously controlled and screens of novel therapeutic agents can be more safely conducted.No single model system provides all of the possible advantages. At one end, mammalian models al