PT - JOURNAL ARTICLE AU - Calabrese, Leonard H. TI - Differential Diagnosis of Hypersensitivity Vasculitis DP - 1990 Sep 01 TA - Cleveland Clinic Journal of Medicine PG - 506--507 VI - 57 IP - 6 4099 - http://www.ccjm.org/content/57/6/506.short 4100 - http://www.ccjm.org/content/57/6/506.full SO - Cleve Clin J Med1990 Sep 01; 57