000 00323nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aP.Ramakrishnan
245 0 _aBiostatistics
250 _a3rd Ed
260 _aNew Delhi
260 _bSaras publications
260 _c2010
650 _aBiostatistics
942 _cBK
999 _c24868
_d24868