Elston, Robert C. <br/><br/>Essentials of biostatistics / Robert C. Elston and William D. Johnson.  -- 2nd ed.  -- Singapore:  F.A. Davis Company.,  1995. <br/>xii, 327 p.:  ill.;  23 cm. <br/><br/> Includes index. <br/><br/><label>ISBN: </label>98130477399 <br/><br/><label>Subjects--Topical Terms: </label><br/>Biostatistics.<br/><br/><label>Dewey Class. No.: </label>Res 574.01519 El79 1995