1. Health care technology in the United States
2. Federal Register 63 , no. 239 (14 December 1998 ): Notices, 68780.
3. Federal Register 64 , no. 80 (27 April 1999 ): Notices, 22619–22625.
4. Federal Register 65 , no. 95 (16 May 2000 ): Proposed Rules, 31124–31129.