Lamas, X <br/><br/>
[Drugs for the treatment of pain].  [electronic resource] 

 -  Medicina clinica  Feb 1991 
 - 195-6 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0025-7753 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analgesics, Opioid--therapeutic use<br/>Humans<br/>Opioid-Related Disorders--etiology<br/>Pain--drug therapy<br/>Receptors, Opioid--drug effects