000 004360000a22001570004500
020 _a0-471-82047-4
060 _a100
082 _a615.507 24 FLE
100 _aFleiss, Joseph L
245 _aDesign and analysis of clinical experiments
260 _aNewYork, John Wiley & Sons INC
260 _c1986
300 _a432
650 _aMedicine clinical problem / clinical trails statistical methods / research design
942 _cBK
999 _c211180
_d211180