* الجهاز العصبي المركزي مسببات الإكتئاب* المخدرات* المهلوسات* Painfully Obvious - A Community Resource* Fact sheets and Harm Reduction Strategies About Depressants and Other Recreational Drugs* U.S. Department of Human and Health Services: Drug Categories for Substances of Abuse* About Psychotropic Medications: Quick Reference to Medications Used in Mental Health