Department of Health and Human Services, Health Care Financing Administration: Medicare Program; Revisions to Payment Policies and Five-Year Review of and Adjustments to the Relative Value Units Under the Physician Fee Schedule for Calendar Year 1997, Final Rule; Physician Fee Schedule Update for Calendar Year 1997 and Physician Volume Performance Standard Rates of Increase for Federal Fiscal Year 1997, Notice, B-275549; B-275552, December 9, 1996