00305nam a2200109Ia 450000500170000000800410001708200140005810000160007224500590008826000400014730000080018720260224040821.0260224s9999||||xx |||||||||||||| ||und||  a519.5 DUN  aDunn, O.J.  0aBasic statistics: a primer for the biomedical sciences  aNew York: John Wiley & Sons. c1977  a218