TY  - BOOK
AU  - Bailey,Lucianne
AU  - Vardulaki,Katerina
TI  - Introduction to epidemiology / by 
SN  - 9780335218332
U1  - 614.4 22
PY  - 2005///
CY  - England
PB  - Open University Press
KW  - Epidemiology
KW  - Epidemiologic Methods
N1  - Includes bibliographical references and index
ER  -