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