Jain, Naveen K <br/><br/>
Sildenafil, a phosphodiesterase-5 inhibitor, enhances the antinociceptive effect of morphine.  [electronic resource] 

 -  Pharmacology  Mar 2003 
 - 150-6 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0031-7012 
<br/><br/><label>Standard No.: </label>10.1159/000067802  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analgesics--pharmacology<br/>Animals<br/>Dose-Response Relationship, Drug<br/>Drug Interactions<br/>Enzyme Inhibitors--pharmacology<br/>Female<br/>Hyperalgesia--chemically induced<br/>Male<br/>Methylene Blue--pharmacology<br/>Mice<br/>Morphine--pharmacology<br/>NG-Nitroarginine Methyl Ester--pharmacology<br/>Naloxone--pharmacology<br/>Narcotic Antagonists--pharmacology<br/>Nitric Oxide Synthase--antagonists & inhibitors<br/>Pain--chemically induced<br/>Pain Measurement<br/>Phosphodiesterase Inhibitors--pharmacology<br/>Piperazines--pharmacology<br/>Purines<br/>Rats<br/>Sildenafil Citrate<br/>Sulfones<br/>Time Factors