title: A major limitation of the percentile index of overall drug use indulgence.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D013287:Illicit Drugs; D008297:Male; D008722:Methods; D008875:Middle Aged; D004364:Pharmaceutical Preparations; D011619:Psychotropic Drugs; D019966:Substance-Related Disorders / Q000175:diagnosis*
chemical_list: D013287:Illicit Drugs; D004364:Pharmaceutical Preparations; D011619:Psychotropic Drugs