TY - JOUR T1 - Introduction JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - S2 LP - S3 VL - 71 IS - 2 suppl 2 AU - Nancy Foldvary-Schaefer AU - Martha J. Morrell Y1 - 2004/02/01 UR - http://www.ccjm.org/content/71/2_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 -