TY  - BOOK
AU  - Macmahon,Brian
AU  - Trichopoulos,Dimitrios
TI  - Epidemiology : principles and methods
SN  - 0316542229
U1  - 614.4 
PY  - 1996///
CY  - London
PB  - Little, Browne and Co.
KW  - Epidemiology
KW  - Public Health
KW  - Measures of Disease
KW  - Causes
KW  - Epidemiologic Methods
ER  -