Wermeling, D P <br/><br/>
Multicenter evaluation of a patient-controlled analgesia device for the treatment of postoperative pain.  [electronic resource] 

 -  Clinical pharmacy  Apr 1992 
 - 342-6 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Comparative Study; Journal Article; Multicenter Study 
<br/><br/><label>ISSN: </label>0278-2677 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Aged<br/>Analgesia, Patient-Controlled--instrumentation<br/>Evaluation Studies as Topic<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Morphine--therapeutic use<br/>Pain, Postoperative--drug therapy