Campbell, Michael  J. <br/><br/>
Medical statistics: a commonsense approach 

 - 3rd ed 
 - New York  John Wiley  2000 
 - xiv,203p. 
<br/><br/>   
<br/><br/><label>ISBN: </label>0-471-98721-2 
<br/><br/><label>Subjects--Index Terms: </label>Medical statistics  Medicine - Research - Statistical methods