The nature and properties of drugs which give rise to dependence.
D000928:Antidepressive Agents; D006213:Hallucinogens; D006801:Humans; D006993:Hypnotics and Sedatives; D009294:Narcotics; D019966:Substance-Related Disorders
D000928:Antidepressive Agents; D006213:Hallucinogens; D006993:Hypnotics and Sedatives; D009294:Narcotics