- American Pharmacists Associationwww.pharmacist.com
- Centers for Disease Control and Preventionwww.cdc.gov
- Health Resources and Services Administrationwww.hrsa.gov
- MedlinePlus (U.S. National Library of Medicine)www.medlineplus.gov
- National Institutes of Healthwww.nih.gov
- U.S. Food and Drug Administrationwww.fda.gov
