Four cases of progressive drug abuse.
D000328:Adult; D000438:Alcohols / Q000633:toxicity; D000661:Amphetamine / Q000633:toxicity; D001463:Barbiturates / Q000633:toxicity; D002188:Cannabis / Q000633:toxicity; D003042:Cocaine / Q000633:toxicity; D006801:Humans; D008238:Lysergic Acid Diethylamide / Q000633:toxicity; D008297:Male; D008774:Methylphenidate / Q000633:toxicity; D009020:Morphine / Q000633:toxicity; D009892:Opium / Q000633:toxicity; D019966:Substance-Related Disorders
D000438:Alcohols; D001463:Barbiturates; D008774:Methylphenidate; D009020:Morphine; D009892:Opium; D008238:Lysergic Acid Diethylamide; D000661:Amphetamine; D003042:Cocaine