4Roald Bergstrom,Vigdis Heimly.lnformation technology strategies for health and social care in NORWAY[J].International Journal of Cir- cumpolar Health, 2004, 63(4 ): 336-348.
5Leslie Eldenberg, Sanjay Kallapur. Changes in hospital service mix and cost allocations in response to changes in Medicare reimburse- ment Schemes [J]. Journal of Accounting and Econom'ics, 1997, 23 (1):31-51.