TY - JOUR T1 - Series Introduction JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 24 LP - 24 DO - 10.3949/ccjm.78a.10179 VL - 78 IS - 1 AU - Timothy Gilligan Y1 - 2011/01/01 UR - http://www.ccjm.org/content/78/1/24.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -