Lee, I O <br/><br/>
Systemic, but not intrathecal, ketamine produces preemptive analgesia in the rat formalin model.  [electronic resource] 

 -  Acta anaesthesiologica Sinica  Sep 2001 
 - 123-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0254-1319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analgesia<br/>Analgesics--administration & dosage<br/>Animals<br/>Formaldehyde<br/>Hyperalgesia--drug therapy<br/>Injections, Intravenous<br/>Injections, Spinal<br/>Ketamine--administration & dosage<br/>Male<br/>Rats<br/>Rats, Sprague-Dawley