PT - JOURNAL ARTICLE AU - Mackenzie, Allen H. TI - Commentaries DP - 1987 Sep 01 TA - Cleveland Clinic Journal of Medicine PG - 430--430 VI - 54 IP - 5 4099 - http://www.ccjm.org/content/54/5/430.2.short 4100 - http://www.ccjm.org/content/54/5/430.2.full SO - Cleve Clin J Med1987 Sep 01; 54