TY - CHAP M1 - Book, Section TI - Authors A1 - Dawson, Beth A1 - Trapp, Robert G. PY - 2013 T2 - Basic & Clinical Biostatistics, 4e AB - SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/28 UR - accessmedicine.mhmedical.com/content.aspx?aid=1000795180 ER -