TY - BOOK AU - O'Quigley John TI - Proportional hazards regression T2 - Statistics for biology and health SN - 9780387251486 (hbd) U1 - B285, P8;1 TB PY - 2008/// CY - New York PB - Springer KW - Statistics N1 - Bibliography 477-538p.; Index 539-542p ER -