PT - JOURNAL ARTICLE AU - Clough, John D. TI - Dear Colleague DP - 1999 Jul 01 TA - Cleveland Clinic Journal of Medicine PG - 391--391 VI - 66 IP - 7 4099 - http://www.ccjm.org/content/66/7/391.short 4100 - http://www.ccjm.org/content/66/7/391.full SO - Cleve Clin J Med1999 Jul 01; 66