title: Differences in family characteristics of heroin injectors and inhalers.
mesh_terms: D000281:Administration, Intranasal; D000293:Adolescent; D000328:Adult; D004522:Educational Status; D005006:Ethnicity; D005191:Family Characteristics; D003932:Heroin / Q000008:administration & dosage*; D006556:Heroin Dependence / Q000534:rehabilitation*; D006801:Humans; D008297:Male; D008889:Military Personnel; D009790:Occupations; D010287:Parent-Child Relations; D011379:Prognosis; D044469:Racial Groups; D012907:Smoking; D012959:Socioeconomic Factors; D014481:United States; D014744:Vietnam
chemical_list: D003932:Heroin