- American Society of Health-System Pharmacistswww.ashp.org
- Institute for Healthcare Improvementwww.ihi.org
- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
- Medline Pluswww.medlineplus.gov
- National Coordinating Council for Medication Error Reporting and Prevention (NCC-MERP)www.nccmerp.org
- National Institutes of Healthwww.nih.gov
- United States Pharmacopeiawww.usp.org
- U.S. Food and Drug Administrationwww.fda.gov
