TY - JOUR T1 - Upright versus lying down position in second stage of labour in nulliparous women with low dose epidural: BUMPES randomised controlled trial JO - BMJ UR - http://eprints.whiterose.ac.uk/123897/ PY - 2017/10/18 AU - The Epidural and Position Trial Collaborative Group ED - DO - DOI: 10.1136/bmj.j4471 VL - 359 Y2 - 2024/12/26 ER -