1. Commentary - The Orthopaedic Workforce: Which Rate is Right?* by James N. Weinstein, David Goodman, and John E. Wennberg J Bone Joint Surg Am Volume 80(3):327-30 March 1, 1998 ©1998 by The Journal of Bone and Joint Surgery, Inc.

2. Fig. 1 Map showing the ratios of orthopaedic surgeons per 10,000 United States residents by hospital referral region in the United States in 1996 (Dartmouth Atlas Working Group, Hanover, New Hampshire, 1998). James N. Weinstein et al. J Bone Joint Surg Am 1998;80:327-30 ©1998 by The Journal of Bone and Joint Surgery, Inc.

3. Fig. 2 Graph comparing the ratios of the use of operative procedures on the back and knee, between 1994 and 1995, for Medicare enrollees living in Sun City, Arizona, and Miami Beach, Florida (number of procedures per 1000 population). James N. Weinstein et al. J Bone Joint Surg Am 1998;80:327-30 ©1998 by The Journal of Bone and Joint Surgery, Inc.

4. Fig. 3 Graph showing the ratios of rates of hospitalization for fractures about the hip, about the ankle, and of the forearm among regions to the United States average between 1994 and 1995. James N. Weinstein et al. J Bone Joint Surg Am 1998;80:327-30 ©1998 by The Journal of Bone and Joint Surgery, Inc.