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 - http://eprints.whiterose.ac.uk/114920/ 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 VL - 17 IS - 1 Y2 - 2024/12/22 ER -