PT - JOURNAL ARTICLE AU - Nancy Foldvary-Schaefer AU - Martha J. Morrell TI - Introduction DP - 2004 Feb 01 TA - Cleveland Clinic Journal of Medicine PG - S2--S3 VI - 71 IP - 2 suppl 2 4099 - http://www.ccjm.org/content/71/2_suppl_2/S2.short 4100 - http://www.ccjm.org/content/71/2_suppl_2/S2.full SO - Cleve Clin J Med2004 Feb 01; 71