PT - JOURNAL ARTICLE ED - Cleveland Clinic TI - 1991 reviewers acknowledged DP - 1991 Nov 01 TA - Cleveland Clinic Journal of Medicine PG - 520--520 VI - 58 IP - 6 4099 - http://www.ccjm.org/content/58/6/520.short 4100 - http://www.ccjm.org/content/58/6/520.full SO - Cleve Clin J Med1991 Nov 01; 58