Tewes, P A <br/><br/>
Effects of d-amphetamine and diazepam on fixed-interval, fixed-ratio responding in humans.  [electronic resource] 

 -  The Journal of pharmacology and experimental therapeutics  May 1982 
 - 373-83 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0022-3565 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Blood Pressure--drug effects<br/>Conditioning, Operant--drug effects<br/>Dextroamphetamine--pharmacology<br/>Diazepam--pharmacology<br/>Dose-Response Relationship, Drug<br/>Female<br/>Heart Rate--drug effects<br/>Humans<br/>Male<br/>Placebos<br/>Reinforcement Schedule