TY - JOUR T1 - Introduction JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - S2 LP - S2 DO - 10.3949/ccjm.78.s2.01 VL - 78 IS - 11 suppl 2 AU - Leonard Calabrese Y1 - 2011/11/01 UR - http://www.ccjm.org/content/78/11_suppl_2/S2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -