Andrew, E <br/><br/>
Publications on clinical trials with X-ray contrast media: differences in quality between journals and decades.  [electronic resource] 

 -  European journal of radiology   
 - 92-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0720-048X 
<br/><br/><label>Standard No.: </label>10.1016/0720-048x(90)90114-q  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clinical Trials as Topic<br/>Contrast Media<br/>Humans<br/>Periodicals as Topic<br/>Writing