Treatment outcome and the role of the community in narcotic addition.
D000293:Adolescent; D000328:Adult; D003153:Community Health Services / Q000706:statistics & numerical data*; D005006:Ethnicity; D005190:Family; D005260:Female; D005500:Follow-Up Studies; D006556:Heroin Dependence / Q000534:rehabilitation*; D006801:Humans; D007398:Interpersonal Relations; D007812:Laos; D008297:Male; D008875:Middle Aged; D010359:Patient Readmission; D012424:Rural Population; D012931:Social Environment; D014505:Urban Population