000 00303nam a2200133Ia 4500
008 200512s9999 xx 000 0 und d
082 _a614.44
100 _aNishi aggarwal
245 0 _aEssentials of biostatistics
250 _a-
260 _bPeepee
_c-
440 _v_
650 _acommunity medicine
999 _c51292
_d51292