000 00288nam a2200121Ia 4500
100 _aHassard, Thomas H.
020 _a0-8016-2078-3
942 _cBK
245 _aUnderstanding biostatistics
260 _aMosby Year Book, St. Louis
_c1991
082 _a574.015195 Has
300 _axii,324p
999 _c63371
_d63371