APA

Gambling D., Berkowitz J., Farrell T. R., Pue A. & Shay D. (20130612). A randomized controlled comparison of epidural analgesia and combined spinal-epidural analgesia in a private practice setting: pain scores during first and second stages of labor and at delivery. : Anesthesia and analgesia.

Chicago

Gambling David, Berkowitz Jonathan, Farrell Thomas R, Pue Alex and Shay Dennis. 20130612. A randomized controlled comparison of epidural analgesia and combined spinal-epidural analgesia in a private practice setting: pain scores during first and second stages of labor and at delivery. : Anesthesia and analgesia.

Harvard

Gambling D., Berkowitz J., Farrell T. R., Pue A. and Shay D. (20130612). A randomized controlled comparison of epidural analgesia and combined spinal-epidural analgesia in a private practice setting: pain scores during first and second stages of labor and at delivery. : Anesthesia and analgesia.

MLA

Gambling David, Berkowitz Jonathan, Farrell Thomas R, Pue Alex and Shay Dennis. A randomized controlled comparison of epidural analgesia and combined spinal-epidural analgesia in a private practice setting: pain scores during first and second stages of labor and at delivery. : Anesthesia and analgesia. 20130612.