Roberts, C <br/><br/>
Understanding controlled trials. Randomising groups of patients.  [electronic resource] 

 -  BMJ (Clinical research ed.)  Jun 1998 
 - 1898-900 p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>0959-8138 
<br/><br/><label>Standard No.: </label>10.1136/bmj.316.7148.1898  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group Processes<br/>Randomized Controlled Trials as Topic--methods