Medication safety has perhaps been the most closely studied domain in patient safety. Nearly half of serious medication errors have been found to result from the fact that clinicians have insufficient information about the patient and the drug. Other common factors include a failure to provide sufficient specificity in an order, illegibility of handwritten orders, errors of calculation, and errors in transcription4. In one controlled trial involving inpatients, the implementation of a computerized application for order entry by physicians — which improves communication, makes knowledge accessible, includes appropriate constraints on choices of drugs, routes, frequencies, and doses, helps with calculations, performs real-time checks, and assists