1. Guidelines for the risk assessment of new synthetic drugs. European Monitoring Center for Drugs and Drug Addiction;EMCDDA,1999
2. Guideline on the non-clinical investigation of the dependence potential of medicinal products;EMEA,2006
3. ICH Harmonised Tripartite Guideline, Guidance on nonclinical safety studies for the conduct of human clinical trials and marketing authorization for pharmaceuticals;International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use;M3(R2),2009
4. Single convention on narcotic drugs;United Nations. International Narcotic Control Board [INCB];As amended by the 1972 protocol amending the Single convention on narcotic drugs (1961),1961