Smith, J L <br/><br/>
Placebos in clinical trials of peptic ulcer. ACG Committee on FDA-Related Matters.  [electronic resource] 

 -  The American journal of gastroenterology  May 1989 
 - 469-74 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9270 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clinical Trials as Topic--methods<br/>Control Groups<br/>Ethics, Medical<br/>Humans<br/>Peptic Ulcer--drug therapy<br/>Placebos<br/>Risk Assessment<br/>Therapeutic Human Experimentation