1. Fundamentals of medication error research;Allan;American Journal of Hospital Pharmacy,1990
2. ASHP guidelines on preventing medication errors in hospitals;American Society of Hospital Pharmacists;American Journal of Hospital Pharmacy,1993
3. The problems of detecting medication errors in hospitals;Barker;American Journal of Hospital Pharmacy,1962
4. Medication errors observed in 36 health care facilities;Barker;Archives of Internal Medicine,2002