00297nam a2200133Ia 4500008004100000041000800041082001000049100001700059245002900076260001500105650001300120906000900133999002100142240830s1901    xx            000 0 und d  aeng  a0 MAH  aMAHAJAN B.K.  aMETHODS IN BIOSTATISTICS  bN.D.c1901  aRESEARCH  aN.D.  c1198730d1198730