Active/Lethal Dose Ratio and Dependence Potential of Psychoactive Drugs. Data source: Gable, R. S. (2006). Acute toxicity of drugs versus regulatory status. In J. M. Fish (Ed.),Drugs and Society: U.S. Public Policy, pp.149-162, Lanham, MD: Rowman & Littlefield Publishers. Also published at Professor Gable’s faculty page