Pett, Marjorie A., <br/><br/>
Nonparametric statistics for health care research :  statistics for small samples and unusual distributions / 
Marjorie A. Pett. 
 - Second edition. 
 - xv, 451 pages :  illustrations ;  23 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>9781452281964  RM229.09 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics, Nonparametric.<br/>Statistical Distributions.<br/>Health Services Research--methods.