TY  - BOOK
AU  - Kleinbaum,David G.
AU  - Kupper,Lawrence L.
AU  -  Morgenstern,Hal
TI  - Epidemiologic research : : principles and quantitative methods 
SN  - 9780471289852
U1  - 519.53  
PY  - 1982///
CY  - New York
PB  - John Wiley & Sons, 
KW  - Epidemiology
KW  - Epidemiology Research
KW  - Epidemiology Research Methodology
N1  - Includes bibliographical references and index
ER  -