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 - https://eprints.whiterose.ac.uk/id/eprint/123897 PY - 2017/10/18 AU - The Epidural and Position Trial Collaborative Group ED - DO - DOI: 10.1136/bmj.j4471 PB - BMJ Publishing Group VL - 359 Y2 - 2025/11/09 ER -