PT - JOURNAL ARTICLE AU - Robert L. Chatburn TI - Basics of study design: Practical considerations AID - 10.3949/ccjm.84.s2.03 DP - 2017 Sep 01 TA - Cleveland Clinic Journal of Medicine PG - e10--e19 VI - 84 IP - 9 suppl 2 4099 - http://www.ccjm.org/content/84/9_suppl_2/e10.short 4100 - http://www.ccjm.org/content/84/9_suppl_2/e10.full SO - Cleve Clin J Med2017 Sep 01; 84