3Ash, J.S., Gorman, P.N., Lavelle, M., Payne, T.H., Massaro, T. A., Frantz, G.L., and Lyman, J.L.,A cross-site qualitative study of physician order entry, Journal of the American Medical lnformatics Association vol. 10, no. 2, 2003, pp. 188-200.
4Hersh, W., Editorials: Health care information technology progress and barriers, Journal of American Medical Association(lA- MA), vol. 292, no. 18, 2004, pp. 2273-2274.
5Pare, G., Implementing clinical information systems: a multi- ple-case study within a US hospital, Health Services Management Research, voL 15, no. 2, 2002, pp. 71-92.
6Spil, T.A.M., Schuring, R.W., and Michel-Verkerke, M.B., Electronic prescription system: do the professionals USE IT? Inter- national Journal of Healthcare Technology Management, vol. 6, no. 1, 2004, pp.32-55.