TY  - BOOK
AU  - WASSERTHEIL-SMOLLER Sylvia
TI  - Biostatistics and epidemiology:  A primer for health and biomedical professionals   
SN  - 0387402926
U1  - Y9(L:4:51), P4 
PY  - 2004///
CY  - New York
PB  - Springer-Verlag         
KW  - Sociology
N1  - Bibliography P 227-231
ER  -