title: Hard and soft hallucinogenic drug users: their drug taking patterns and objectives.
mesh_terms: D000328:Adult; D000367:Age Factors; D000428:Alcohol Drinking; D000434:Alcoholic Beverages; D000661:Amphetamine; D001294:Attitude to Health; D002170:Canada; D002188:Cannabis; D004335:Drug and Narcotic Control; D005260:Female; D006213:Hallucinogens; D006801:Humans; D007100:Imitative Behavior; D007398:Interpersonal Relations; D008238:Lysergic Acid Diethylamide; D008297:Male; D009042:Motivation; D010287:Parent-Child Relations; D012919:Social Behavior; D019966:Substance-Related Disorders / Q000145:classification* / Q000453:epidemiology
chemical_list: D006213:Hallucinogens; D008238:Lysergic Acid Diethylamide; D000661:Amphetamine