title: The effect of questionnaire design on reported prevalence of psychoactive medication.
mesh_terms: D004363:Drug Utilization; D004812:Epidemiologic Methods; D004366:Nonprescription Drugs; D011619:Psychotropic Drugs / Q000008:administration & dosage*; D012646:Self Administration; D012650:Self Disclosure; D012651:Self Medication; D011795:Surveys and Questionnaires
chemical_list: D004366:Nonprescription Drugs; D011619:Psychotropic Drugs