TY  - BOOK
AU  - Elwood, J. M.
TI  - Critical Appraisal of Epidemiological Studies and Clinical Trials
T2  - Oxford Medical Publications
SN  - 9780199218257
U1  - 614.4028 20th
PY  - 2007///
CY  - New York
PB  - Oxford University
KW  - Epidemiologic Methods
KW  - Clinical Trials
KW  - Evaluation
KW  - Epidemiologic Studies
ER  -