Designing clinical research 
Stephen B. Hulley ... [et al.]. 
 - 3rd ed. 
 - Philadelphia, PA  Lippincott Williams & Wilkins  c2007. 
 - xv, 367 p. ill.  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780781782104 0781782104 
<br/><br/><label>LCCN: </label>2006028271 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clinical trials<br/>Research Design<br/>Epidemiologic methods.<br/>Epidemiology--Research--Methodology.<br/>Medicine.--Research--Methodology.
<br/><br/><label>LC Class. No.: </label>R853.C55  / D47 2007 
<br/><br/><label>Dewey Class. No.: </label>610.72  / D4576 2007