- Everyday Health – Online Health Informationwww.everydayhealth.com
- National Association of Boards of Pharmacywww.nabp.net
- U.S. Food and Drug Administrationwww.fda.gov
- American Society of Health-System Pharmacistswww.safemedication.com
- Institute for Safe Medication Practiceswww.ismp.org
- Consumer Healthcare Products Associationwww.chpa-info.org
- Pill Identificationwww.drugs.com