Regulatory Toxicology and Pharmacology, Official Journal of the International Society for Regulatory Toxicology and Pharmacology, reports the concepts and problems involved with the generation, evaluation, and interpretation of experimental animal and human data in the larger perspective of the societal considerations of protecting human health and the environment. The journal is devoted to reports of significant developments, public opinion, scientific data, and ideas that bridge the gap between scientific information and the legal aspects of toxicological and pharmacological regulations.