Polit, Denise F. <br/><br/>
Essentials of nursing research :  methods, appraisal and utilization / 
Denise F. Polit and Bernadette P. Hungler. 
 - 3rd ed. 
 - Philadelphia :  Lippincott ,  c1993. 
 - xiv, 479 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0397549229 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nursing--Research.