- U.S. Food and Drug Administrationwww.fda.gov
- American Society of Health-System Pharmacists www.ashp.org
- ConsumerMedSafety.org www.consumermedsafety.org
- Consumer Healthcare Products Associationwww.chpa-info.org
- RxList – The Internet Drug Index for prescription drugs, medications and pill identifier www.rxlist.com
