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3 Patterson DA, "Spontaneous vaginal delivery" 78 : 336-341, 2008
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7 Schiessl B, "Obstetrical parameters influencing the duration of the second stage of labor" 118 : 17-20, 2005
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9 Mayberry LJ, "Neilson- Smith K. Managing second-stage labor" 3 : 28-34, 1999
10 Plunkett BA, "Management of the second stage of labor in nulliparas with continuous epidural analgesia" 102 : 109-114, 2003
1 Bates RG, "Uterine activity in the second stage of labour and the effect of epidural analgesia" 92 : 1246-1250, 1985
2 Segal S, "The effect of a rapid change in availability of epidural analgesia on the cesarean delivery rate: A meta-analysis" 183 : 974-978, 2000
3 Patterson DA, "Spontaneous vaginal delivery" 78 : 336-341, 2008
4 Schaupp KL, "Saddle block and caudal block analgesia for the control of pain in labor" 70 : 211-215, 1949
5 Yarnell RW, "Sacralization of epidural block with repeated doses of 0.25% bupivacaine during labor" 15 : 275-279, 1990
6 Halpern SH, "Patient-controlled epidural analgesia for labor" 108 : 921-928, 2009
7 Schiessl B, "Obstetrical parameters influencing the duration of the second stage of labor" 118 : 17-20, 2005
8 Chadwick HS, "Obstetric anesthesia - then and now" 71 : 517-520, 2005
9 Mayberry LJ, "Neilson- Smith K. Managing second-stage labor" 3 : 28-34, 1999
10 Plunkett BA, "Management of the second stage of labor in nulliparas with continuous epidural analgesia" 102 : 109-114, 2003
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20 Yang WC, "Conventional Intermittent "Top-up" Injections of 0.25% Bupivacaine/Fentanyl vs 0.125% Bupivacaine/Fentanyl during Labor" 35 : 467-472, 1998
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27 Dennerstein G, "Caudal analgesia by the obstetrician" 30 : 203-205, 1990
28 Brancato RM, "A meta-analysis of passive descent versus immediate pushing in nulliparous women with epidural analgesia in the second stage of labor" 37 : 4-12, 2008