1Gunter TD, Terry NP.The Emergence of National Electronic Health Record Architectures in the United States and Australia: Models, Costs,and Questions [J] . J Med Internet Res, 2005,7 (1) :13-15.
2Evans DC, Nichol WP, Perlin JB.Effect of the implementation of an enterprise -wide Electronic Health Record on productivity in the Veterans Health Administration [J] .Health Econ Policy Law, 2006,1 (2) : 163-169.
3Rollins G. The Perils of Customization [J] . AHI-MA 2006,77 (6) : 24-28.
4DesRoches CM, Campbell EG, Rao SR,et al. Electronic health records in ambulatory care--a national survey of physicians [J] .N Engl J Med,2008, 359 (1) : 50-60.