00438nam a2200145Ia 4500020001800000082002500018100002000043245003800063260005800101300002900159490003800188500005600226500000500282700000500287  a9780387251486  a519.5024574bOq62.PH  aO'Quigley, John  aProportional hazards regressionb  aNew YorkbSpringer Science+Business Media, Inc.c2008  axvii, 542p. Bibl. Index.  aStatistics for Biology and Health  a"Purchased under NBHM grant for the year 2009-2010"  a  a