title: The nature and extent of psychotropic drug usage in the United States.
mesh_terms: D000928:Antidepressive Agents; D000697:Central Nervous System Stimulants; D011307:Drug Prescriptions; D004363:Drug Utilization; D006801:Humans; D006993:Hypnotics and Sedatives; D001523:Mental Disorders / Q000188:drug therapy; D011600:Psychopharmacology; D013997:Time Factors; D014149:Tranquilizing Agents; D014481:United States
chemical_list: D000928:Antidepressive Agents; D000697:Central Nervous System Stimulants; D006993:Hypnotics and Sedatives; D014149:Tranquilizing Agents