- American Academy of Family Physicianswww.aafp.org
- Addiction Journalwww.addictionjournal.org
- Centers for Disease Control and Preventionwww.cdc.gov
- National Institutes of Healthwww.health.nih.gov
- Addiction and Recovery Information for Individuals, Families, and Health Professionalswww.addictionsandrecovery.org
