Mayo AM, Duncan D. Nurse perceptions of medication errors: What we need to know for patient safety. Journal of Nursing Care Quality. 2004;19(3):209-217.Descriptive research study of practicing hospital based RNs' perceptions of medication errors (what constitutes a medication error, when to report, frequency of reporting, etc). Provides practical suggestions on how to begin working with hospital RNs to increase reporting of medication errors.