TY - JOUR T1 - The RESPITE trial: remifentanil intravenously administered patient-controlled analgesia (PCA) versus pethidine intramuscular injection for pain relief in labour: study protocol for a randomised controlled trial JO - Trials UR - https://eprints.whiterose.ac.uk/id/eprint/114920 UR - http://dx.doi.org/10.1186/s13063-016-1708-3 PY - 2016/12/12 AU - Wilson M AU - MacArthur C AU - Gao Smith F AU - Homer L AU - Handley K AU - Daniels J ED - DO - DOI: 10.1186/s13063-016-1708-3 PB - BioMed Central VL - 17 Y2 - 2025/11/09 ER -