000 00300nam a2200133Ia 4500
008 200504s9999 xx 000 0 und d
082 _a591.65
100 _aRamakrishnan (P)
245 0 _aBiostatistics .
250 _a1
260 _bSaras
_c1995
300 _eNO
650 _aBio statistics
999 _c30915
_d30915