PT - JOURNAL ARTICLE ED - Cleveland Clinic TI - 1997 Reviewers DP - 1997 Nov 01 TA - Cleveland Clinic Journal of Medicine PG - 519--519 VI - 64 IP - 10 4099 - http://www.ccjm.org/content/64/10/519.short 4100 - http://www.ccjm.org/content/64/10/519.full SO - Cleve Clin J Med1997 Nov 01; 64