Rosen, M <br/><br/>
PCA--not as effective but still a valuable method.  [electronic resource] 

 -  Anesthesiology  Jun 1998 
 - 1689-90 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0003-3022 
<br/><br/><label>Standard No.: </label>10.1097/00000542-199806000-00046  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analgesia, Epidural--methods<br/>Analgesia, Obstetrical--methods<br/>Analgesia, Patient-Controlled--methods<br/>Female<br/>Humans