AU - Portney L FAU - Portney, Leslie G. TI - Descriptive Statistics PT - BOOK SECTION DP - 2020 BTI - Foundations of Clinical Research: Applications to Evidence-Based Practice, 4e DA - 2020 Y2 - 2023/12/07 UR - fadavispt.mhmedical.com/content.aspx?aid=1186213533