- PDR.net – The Most Trusted Source for FDA-approved Drug Labeling for Physicians and Prescriberswww.pdr.net
- U.S. Food and Drug Administrationwww.fda.gov
- Consumer Healthcare Products Associationwww.chpa.org
- ConsumerMedSafety.orgwww.chpa-info.org
- Institute for Safe Medication Practices www.ismp.org
