TY - CHAP M1 - Book, Section TI - Epidemiology: Measuring Risk A1 - Portney, Leslie G. Y1 - 2020 N1 - T2 - Foundations of Clinical Research: Applications to Evidence-Based Practice, 4e AB - SN - PB - F. A. Davis Company CY - New York, NY Y2 - 2024/10/12 UR - fadavispt.mhmedical.com/content.aspx?aid=1186215793 ER -