TY - JOUR T1 - Painless labor with patient-controlled epidural pumps ofbupivacaine and fentanyl TT - زایمان بی درد به روش پمپ¬های کنترله درد با  فنتانیل و بوپیواکایین اپیدورال JF - jap JO - jap VL - 3 IS - 1 UR - http://jap.iums.ac.ir/article-1-48-fa.html Y1 - 2012 SP - 125 EP - 0 N2 -                             Aim and Background:   Epidural anesthesia is an appropriate technique for managing labour Methods and Materials:   In volunteers with vertex position of single fetus which were in active Findings:   45 parturient entered the study. Mean VAS in 96% was less than 4 during all times. 23 Conclusions:   PCEA is a safe and effective method which showed effective pain reduction in       M3 ER -