Thomas, D A <br/><br/>
The medullary dorsal horn. A site of action of morphine in producing facial scratching in monkeys.  [electronic resource] 

 -  Anesthesiology  Sep 1993 
 - 548-54 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0003-3022 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Facial Dermatoses--chemically induced<br/>Macaca fascicularis<br/>Male<br/>Morphine--adverse effects<br/>Pruritus--chemically induced<br/>Spinal Cord--drug effects