TY  - CHAP
M1  - Book, Section
TI  - Epidemiology: Measuring Risk
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  - 2024/04/16
UR  - fadavispt.mhmedical.com/content.aspx?aid=1187151250
ER  -