Bowling, Ann. <br/><br/>
Research methods in health :  investigating health and health services / 
Ann Bowling 
 - 3rd ed. 
 - Maidenhead, Berkshire, England ;  New York, NY :  McGraw Hill/Open University Press,  2009 
 - xiii, 525 p. ;  24 cm. 
<br/><br/>Includes bibliographical referencesand index 
<br/><br/><label>ISBN: </label>0335233643 9780335233649 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical care--Research--Methodology<br/>Medicine--Research--Methodology<br/>Research<br/>Health Services<br/>Public Health<br/>Research Design