TY  - BOOK
AU  - Lachin, John M.
AU  - 
TI  - Biostatistical methods : the assessment of relative risks
T2  - Wiley series in probability and statistics
SN  - 9780470508220
U1  - 519.5024574 
PY  - 2011///
CY  - New Jersey
PB  - John Wiley
ER  -