Polit, Denise F. <br/><br/>
Essentials of nursing research :  methods, appraisal, and utilization. 

 - 6th ed. 
 - Philadelphia :  Lippincott Williams & Wilkins,   2006. 
 - xii, 554 p.  ill.  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0781749727 9780781749725 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nursing research
<br/><br/><label>National Library of Medicine Call No.: </label>WY 20.5 PE 2006