Portenoy, R K <br/><br/>
Chronic morphine therapy for cancer pain: plasma and cerebrospinal fluid morphine and morphine-6-glucuronide concentrations.  [electronic resource] 

 -  Neurology  Sep 1991 
 - 1457-61 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>0028-3878 
<br/><br/><label>Standard No.: </label>10.1212/wnl.41.9.1457  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aged<br/>Aged, 80 and over<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Morphine--blood<br/>Morphine Derivatives--blood<br/>Neoplasms--blood<br/>Pain--drug therapy