Mitchell, V E <br/><br/>
Drugs and placebos: effects of caffeine on cognitive performance.  [electronic resource] 

 -  Psychological reports  Oct 1974 
 - 875-83 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article 
<br/><br/><label>ISSN: </label>0033-2941 
<br/><br/><label>Standard No.: </label>10.2466/pr0.1974.35.2.875  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Administration, Oral<br/>Adult<br/>Caffeine--administration & dosage<br/>Cognition--drug effects<br/>Female<br/>Humans<br/>Male<br/>Mental Recall--drug effects<br/>Placebos<br/>Suggestion