000 00322nam a2200133Ia 4500
008 200512s9999 xx 000 0 und d
082 _a614.44
100 _aSundar Rao
245 0 _aIntroduction To Biostatistics And Research Methods
250 _a4
260 _bPHI
_c2011
440 _v-
650 _acommunity medicine
999 _c56582
_d56582