00413nam a2200133 a 450000500170000002000150001708200250003210000210005724500680007825000120014626000380015830000230019649000600021920251203091823.0  a0471854018  a519.5024574,bD, dan  aDaniel, Wayne W.  aBiostatistics: a foundation for analysis in the health sciences  a4th ed.  aNew YorkbJohn Wiley & Sonsc1987  axiii,734p.c22 cm.  aWiely series in probability and mathematical statistics