1. Baker, C., 2008, “Technological Change and the Growth of Health Care Spending,” U.S. Congressional Budget Office Report, Pub. No. 2764.
2. Kurtz, S. M., Lau, E., Zhao, K., Mowat, F., Ong, K., and Halpern, M. T., 2006, “The Future Burden of Hip and Knee Revisions: U.S. Projections From 2005 to 2030,” 73rd Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS), Chicago, IL, March 22–24.
3. “The Dynamics of Technological Change in Medicine;Health Affairs,1994
4. Users’ Contributions to Radical Innovation: Evidence From Four Cases in the Field of Medical Equipment Technology;R&D Manage.,2006