TY - JOUR T1 - Erratum JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 55 LP - 55 VL - 11 IS - 2 A2 - , Y1 - 1944/04/01 UR - http://www.ccjm.org/content/11/2/55.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -