Designing clinical research / 
Stephen B Hulley ... [et al.]. 
 - 4th ed. 
 - Philadelphia :  Wolters Kluwer/Lippincott Williams & Wilkins,  c2013. 
 - xiii, 367 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/> License restrictions may limit access. 
<br/><br/><label>ISBN: </label>9781608318049 (pbk.) 
 = Designing clinical research 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiologic Methods.<br/>Research Design.
<br/><br/><label>LC Class. No.: </label>R853.C55 
<br/><br/><label>Dewey Class. No.: </label>610.72 
<br/><br/><label>National Library of Medicine Call No.: </label>WA 950