TY - BOOK AU - Woodward,M. TI - Epidemiology : study design and data analysis T2 - Chapman & Hall/CRC texts in statistical science series SN - 1584884150 (alk. paper) U1 - 614.4 PY - 2005/// CY - Boca Raton PB - Chapman & Hall/CRC KW - Epidemiology ER -