000 00298nam a2200121Ia 4500
008 200512s9999 xx 000 0 und d
082 _a614.44
100 _aP.S.S.Sundar Rao
245 0 _aIntroduction To Biostatistics And Research Methods
250 _a4
260 _bEEE
_c2007
650 _aCom-md
999 _c57239
_d57239