The epidemiology of drug abuse: current issues. Surveys of target populations.
D000328:Adult; D000367:Age Factors; D004995:Ethics, Professional; D005260:Female; D006801:Humans; D007802:Language; D008297:Male; D008887:Military Medicine; D008889:Military Personnel; D012107:Research Design; D019966:Substance-Related Disorders / Q000453:epidemiology*; D009626:Terminology as Topic; D014481:United States; D014744:Vietnam