Kristal, Alan R <br/><br/>
Are clinical trials the "gold standard" for cancer prevention research?  [electronic resource] 

 -  Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology  Dec 2008 
 - 3289-91 p.  digital 
<br/><br/> Publication Type: Editorial 
<br/><br/><label>ISSN: </label>1055-9965 
<br/><br/><label>Standard No.: </label>10.1158/1055-9965.EPI-08-1066  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biomedical Research--trends<br/>Clinical Trials as Topic<br/>Humans<br/>Neoplasms--prevention & control<br/>Research Design<br/>Selenium--pharmacology<br/>Time Factors<br/>Vitamin E--pharmacology