Hunt, C O <br/><br/>
Epidural butorphanol-bupivacaine for analgesia during labor and delivery.  [electronic resource] 

 -  Anesthesia and analgesia  Mar 1989 
 - 323-7 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial 
<br/><br/><label>ISSN: </label>0003-2999 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analgesia, Epidural<br/>Anesthesia, Obstetrical<br/>Bupivacaine--administration & dosage<br/>Butorphanol--administration & dosage<br/>Female<br/>Fetus--drug effects<br/>Humans<br/>Infant, Newborn<br/>Morphinans--administration & dosage<br/>Pregnancy<br/>Time Factors