Picker, M.J. <br/><br/>
Assessment of the relative intrinsic efficacy of profadol and meperidine in a pigeon drug discrimination procedure: relevance to partial substitution patterns.  [electronic resource] 

 -  Behavioural pharmacology  Feb 1994 
 - 61-70 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1473-5849 
<br/><br/><label>Standard No.: </label>10.1097/00008877-199402000-00007  doi