PT - JOURNAL ARTICLE AU - Clough, John D. TI - Dear Colleague DP - 1999 Mar 01 TA - Cleveland Clinic Journal of Medicine PG - 135--135 VI - 66 IP - 3 4099 - http://www.ccjm.org/content/66/3/135.short 4100 - http://www.ccjm.org/content/66/3/135.full SO - Cleve Clin J Med1999 Mar 01; 66