TY - BOOK AU - Lachin, John M. TI - Biostatistical methods : the assessment of relative risks ET - 2nd ed PB - Wiley PY - 2011 T2 - Wiley series in probability and mathematical statistics EP - xxiii, 622 p. UR - https://ci.nii.ac.jp/ncid/BB0477042X SN - 9780470508220 ER -