Research Paper: The Influence that Electronic Prescribing Has on Medication Errors and Preventable Adverse Drug Events: an Interrupted Time-series Study. - Jasperien E. van Doormaal; Patricia M. L. A. van den Bemt; Rianne J. Zaal; Antoine C. G. Egberts; Bertil W. Lenderink; Jos G. W. Kosterink; Flora M. Haaijer-Ruskamp; Peter G. M. Mol (J. Am. Medical Informatics Assoc., 2009)