TY  - BOOK
AU  - Wassertheil-Smoller, Sylvia
TI  - Biostatistics and epidemiology: a primer for health and biomedical professionals
SN  - 0387402926
PY  - 2004///
CY  - New York
PB  - Springer
KW  - Clinical Trials-methods
KW  - Epidemiology-statistical methods
ER  -