Drug abuse in El Salvador.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002188:Cannabis; D002648:Child; D004544:El Salvador; D005191:Family Characteristics; D005260:Female; D005500:Follow-Up Studies; D006077:Government Agencies; D006801:Humans; D007880:Legislation, Drug; D008297:Male; D009790:Occupations; D010290:Parents; D012737:Sex Factors; D019966:Substance-Related Disorders; D013997:Time Factors