Investigations on the origin and development of drug dependence.
D000328:Adult; D000367:Age Factors; D000368:Aged; D001824:Body Constitution; D004777:Environment; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009771:Obsessive-Compulsive Disorder; D009790:Occupations; D012737:Sex Factors; D019966:Substance-Related Disorders / Q000145:classification / Q000175:diagnosis / Q000209:etiology* / Q000235:genetics; D013405:Suicide