003690000a22001450004500020001500000060000800015082001600023100001500039100001500054245004000069260002700109260000900136300000800145650007000153  a8185169144  a100  a574.028 MIS  aMisra, B N  aMisra, M K  aIntrductory practical Biostatistics  aCalcutta, Naya Prokash  c1983  a190  aBio statistics/ Probability/ Normal distribution/ Chi-square test