TY  - BOOK
AU  - Szklo, M. 
AU  - Nieto, F. Javier.
TI  - Epidemiology: beyond the basics,
SN  - 0763729272
PY  - 2007///
CY  - Sudbury, Mass. : 
PB  - Jones and Bartlett Publishers, 
KW  - Epidemiologic Methods
KW  - Epidemiology
N1  - Includes bibliographical references and index
ER  -