Shelton, Bernard W <br/><br/>
Methadone: an effective alternative to morphine for pain relief in cancer patients.  [electronic resource] 

 -  Boletin de la Asociacion Medica de Puerto Rico   
 - 7-10 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0004-4849 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Analgesics, Opioid--therapeutic use<br/>Female<br/>Humans<br/>Male<br/>Methadone--therapeutic use<br/>Middle Aged<br/>Morphine--therapeutic use<br/>Neoplasms--complications<br/>Pain--drug therapy