PT - JOURNAL ARTICLE AU - John D. Clough TI - Dear Colleague DP - 1999 May 01 TA - Cleveland Clinic Journal of Medicine PG - 199--199 VI - 66 IP - 5 4099 - http://www.ccjm.org/content/66/5/199.short 4100 - http://www.ccjm.org/content/66/5/199.full SO - Cleve Clin J Med1999 May 01; 66