This detailed book explores protocols for a wide array of preclinical pharmacology and toxicology evaluations to be applied to chemical drugs and their development through in vitro, involving tissues and cell lines, and in vivo models, using animals as experimental systems, utilized to conduct pharmacological research. Written for the Springer Protocols Handbooks series, the methodologies included in this collection have been standardized by the authors through extensive use in the lab so that they are ready to be applied in the labs of readers around the world.