Polit, Denise F. <br/><br/>
Nursing research :  principles and methods. 

 - 6th ed. 
 - Philadelphia :  Lippincott,  1999. 
 - xviii, 757 p.  ill.  25 cm. 
<br/><br/>Includes bibliography references and index. 
<br/><br/><label>ISBN: </label>0781715628 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nursing research methodology <br/>Nursing methods
<br/><br/><label>National Library of Medicine Call No.: </label>WY 20.5 PN 1999