- Consumer Healthcare Products Associationwww.chpa-info.org
- ConsumerMedSafety.orgwww.consumermedsafety.org
- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
- 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