- Coupons for Medicineswww.internetdrugcoupons.com
- RxList – The Internet Drug Indexwww.rxlist.com
- PDR.net – Prescriber’s Digital Referencewww.pdr.net
- National Association of Boards of Pharmacywww.nabp.net
- U.S. Food and Drug Administrationwww.fda.gov
- American Society of Health-System Pharmacistswww.safemedication.com
- ConsumerMedSafety.orgwww.consumermedsafety.org
- NPI Number Lookupwww.npinumberlookup.org
- WebMDwww.webmd.com
