TY  - CHAP
M1  - Book, Section
TI  - 
A1  - Greenberg, Raymond S.
A1  - Daniels, Stephen R.
A1  - Flanders, W. Dana
A1  - Eley, John William
A1  - Boring, John R.
PY  - 2005
T2  - Medical Epidemiology, 4e
AB  - 
SN  - 
PB  - The McGraw-Hill Companies
CY  - New York, NY
Y2  - 2024/04/18
UR  - accessmedicine.mhmedical.com/content.aspx?aid=1000027790
ER  -