- California Department of Public Healthwww.cdph.ca.gov
- California State Board of Pharmacywww.pharmacy.ca.gov
- California Rx Cardwww.californiarxcard.com
- Resources for Prescription Drug Cost Savingscahealthadvocates.org
- ConsumerMedSafety.orgconsumermedsafety.org
- Institute for Safe Medication Practiceswww.ismp.org
- Physicians’ Desk Referencewww.pdr.net
- U.S. Food and Drug Administrationwww.fda.gov