- Institute for Safe Medication Practices www.ismp.org
- Consumer Healthcare Products Association www.chpa-info.org
- RxList – The Internet Drug Index for prescription drugs, medications and pill identifier www.rxlist.com
- PDR.net – The Most Trusted Source for FDA-approved Drug Labeling for Physicians and Prescribers www.pdr.net
- MedicineNet – Health and Medical Information Produced by Doctors www.medicinenet.com
