TY  - BOOK
AU  - Webb,Penny
AU  - Bain,Chris
AU  - Pirozzo,Sandi
TI  - Essential epidemiology: an introduction for students and health professionals 
SN  - 0521837456 (hc)
AV  - RA651 .W385 2005 .W385 2005
PY  - 2005///
CY  - New York, NY
PB  - Cambridge University Press
KW  - Epidemiology
KW  - Epidemiologic Research Design
KW  - Epidemiologic Methods
KW  - Public Health
N1  - Includes bibliographical references and index
ER  -