00389nam a2200157 a 4500001000700000003000700007005001700014008004100031020001800072100002100090245004300111260004000154300001400194050001400208650000900222000023RWANDA20260326235432.0260201s2004    rw            000 0 eng d  a0-471-24985-81 aChow,S.C& Liu, J10aDesign and analysis of clinical trials  aKigali :bJohn Wiley & Sons,c2004.  a729 Pages 0aS610.72de 0aBook