PT - JOURNAL ARTICLE AU - Camila Piza Purysko AU - Rahul Renapurkar AU - Michael A. Bolen TI - When does chest CT require contrast enhancement? AID - 10.3949/ccjm.83a.15037 DP - 2016 Jun 01 TA - Cleveland Clinic Journal of Medicine PG - 423--426 VI - 83 IP - 6 4099 - http://www.ccjm.org/content/83/6/423.short 4100 - http://www.ccjm.org/content/83/6/423.full SO - Cleve Clin J Med2016 Jun 01; 83