PT - JOURNAL ARTICLE AU - Barbara P. Yawn TI - Introduction AID - 10.3949/ccjm.85.s1.01 DP - 2018 Feb 01 TA - Cleveland Clinic Journal of Medicine PG - S1--S2 VI - 85 IP - 2 suppl 1 4099 - http://www.ccjm.org/content/85/2_suppl_1/S1.short 4100 - http://www.ccjm.org/content/85/2_suppl_1/S1.full SO - Cleve Clin J Med2018 Feb 01; 85