- U.S. Food and Drug Administrationwww.fda.gov
- American Public Health Associationwww.apha.org
- American Pharmacists Associationwww.pharmacist.com
- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
- RxList – The Internet Drug Index for prescription drugs, medications and pill identifierwww.rxlist.com
- Institute for Safe Medication Practiceswww.ismp.org
- Consumer Healthcare Products Associationwww.chpa-info.org
