TY - JOUR T1 - Erratum JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 548 LP - 548 VL - 56 IS - 5 A2 - , Y1 - 1989/07/01 UR - http://www.ccjm.org/content/56/5/548.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -