TY  - BOOK
AU  - MacMahon,Brian
AU  - MacMahon,Brian
AU  - Trichopoulos,Dimitrios
TI  - Epidemiology : Principles and methods
SN  - 9780316542227
U1  - 613 
PY  - 1996///
CY  - Philadelphia
PB  - LW & W
KW  - Epidemiology
KW  - Epidemiologic Methods
KW  - Community Medicine
ER  -