7Mintz M,Narvarte HJ,O Brien KE,et al.Use of electronic medical records by physicians and students in academic internal medicine settings.Acad Med,2009,84(12):1698-1704.
8Wang SJ,Middleton B,Prosser LA,et al.A cost-benefit analysis of electronic medical records in primary care.Am J Med,2003,114(5):397-403.