PT - JOURNAL ARTICLE AU - Howie, Michael B. TI - Commentary DP - 1987 Jan 01 TA - Cleveland Clinic Journal of Medicine PG - 41--41 VI - 54 IP - 1 4099 - http://www.ccjm.org/content/54/1/41.short 4100 - http://www.ccjm.org/content/54/1/41.full SO - Cleve Clin J Med1987 Jan 01; 54