TY  - BOOK
AU  - Silman,Alan J.
AU  - Macfarlane,Gary J.
ED  - ebrary, Inc.
TI  - Epidemiological studies: a practical guide 
AV  - RA652.4 .S55 2002eb
U1  - 614.4 21
PY  - 2002///
CY  - Cambridge, New York
PB  - Cambridge University Press
KW  - Epidemiology
KW  - Methodology
KW  - Electronic books
KW  - local
N1  - Includes index; Electronic reproduction; Palo Alto, Calif.; ebrary; 2013; Available via World Wide Web; Access may be limited to ebrary affiliated libraries
UR  - http://site.ebrary.com/lib/daystar/Doc?id=10019072
ER  -