1. Challenges in urology;Kerr;J. Urol.,1977
2. Urologists and their surgical practice;Hauck;Urology,1978
3. Vital and Health Statistics, Series 13: Utilization of short-stay hospitals. Washington, D. C.: Department of Health, Education & Welfare, No. (HRA) 77-1782, p. 54, 1977.
4. Benign prostatic hyperplasia. Early recognition and management;Culp;Urol. Clin. N. Amer.,1975
5. Geographic variation in physicians’ fees. Payments to physicians under Medicare and Medicaid;Burney;J.A.M.A.,1978