Stevens, C W <br/><br/>
Supraspinal administration of opioids with selectivity for mu-, delta- and kappa-opioid receptors produces analgesia in amphibians.  [electronic resource] 

 -  European journal of pharmacology  Jul 1997 
 - 15-21 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0014-2999 
<br/><br/><label>Standard No.: </label>10.1016/s0014-2999(97)01026-1  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer<br/>Analgesics, Opioid--administration & dosage<br/>Animals<br/>Benzofurans--administration & dosage<br/>Dose-Response Relationship, Drug<br/>Enkephalin, D-Penicillamine (2,5)-<br/>Enkephalin, Leucine-2-Alanine--administration & dosage<br/>Enkephalins--administration & dosage<br/>Female<br/>Fentanyl--administration & dosage<br/>Injections, Intraventricular<br/>Male<br/>Morphine--administration & dosage<br/>Naltrexone--pharmacology<br/>Narcotics--administration & dosage<br/>Pyrrolidines--administration & dosage<br/>Rana pipiens<br/>Receptors, Opioid, delta--drug effects<br/>Receptors, Opioid, kappa--drug effects<br/>Receptors, Opioid, mu--drug effects