TY - JOUR T1 - Preface JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - SI-3 LP - SI-3 VL - 69 IS - 4 suppl 1 A2 - , Y1 - 2002/04/01 UR - http://www.ccjm.org/content/69/4_suppl_1/SI-3.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -