Jadad, Alejandr <br/><br/>
Randomised controlled trials : a user's guideAlejandro Jadad. 

 - London:  BMJ Books,  1998. 
 - xxiv, 123 p. ;  22cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0727912089 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quality Control--methods.<br/>Randomized Controlled Trials.