00471nam a2200169Ia 4500082002400000100001600024245003900040260004400079300001300123500000500136690000600141700000500147952010500152964001700257921001000274999001700284  a519.502461bH645.PM  aHill, A. B.  aPrinciples of medical statisticsb  aNew YorkbOxford University Pressc1966  ax, 381p.  a  a   a  00104070aISIbISId1998-10-05l0o519.502461 H645.PMpDP2440r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a15089  c15089d15089