- American Society of Health-System Pharmacistswww.ashp.org
- Institute for Safe Medication Practiceswww.ismp.org
- National Library of Medicinewww.ncbi.nlm.nih.gov
- U.S. Food and Drug Administrationwww.fda.gov
- International Pharmaceutical Federationwww.fip.org
- CDCwww.cdc.gov
- US Pharmacopeiawww.usp.org
