00435nam a2200181 a 450000100070000000500170000700800410002402000180006504000090008308200140009210000210010624500430012725000190017026000280018930000140021794200090023199900130024000002320260327001550.0260201s2004    rw            000 0 eng d  a0-471-24985-8  cNISR04aS610.72de1 aChow,S.C& Liu, J10aDesign and analysis of clinical trials  aSecond edition  bJohn Wiley & Sonsc2004  a729 Pages  cBOOK  c243d243