TY - CHAP M1 - Book, Section TI - Experimental Designs A1 - Portney, Leslie G. PY - 2020 T2 - Foundations of Clinical Research: Applications to Evidence-Based Practice, 4e AB - SN - PB - F. A. Davis Company CY - New York, NY Y2 - 2024/03/28 UR - fadavispt.mhmedical.com/content.aspx?aid=1186212542 ER -