- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
- U.S. Food and Drug Administrationwww.fda.gov
- National Association of Boards of Pharmacywww.nabp.net
- Institute for Safe Medication Practiceswww.ismp.org
- ConsumerMedSafety.orgwww.consumermedsafety.org
- PDR.net – The Most Trusted Source for FDA-approved Drug Labeling for Physicians and Prescriberswww.pdr.net