RT Journal Article SR Electronic T1 Labor Outcome with and without Epidural Infusion Analgesia for Second Stage: A Quality Assurance Study. JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 73 OP 73 DO 10.1136/rapm-00115550-199924031-00073 VO 24 IS Suppl 1 A1 Sivam Ramanathan YR 1999 UL http://rapm.bmj.com/content/24/Suppl_1/73.abstract AB