Zakeri 2014.

Methods	RCT
Participants	Women having CS under spinal anaesthesia
Interventions	Pethidine vs midazolam vs placebo
Outcomes	Analgesia, haemodynamics with nausea and vomiting 5th primary outcome
Notes	A clinical trial 0f analgesic effects, hemodynamic changes and PONV after IT injection of bupivacaine plus midazolam, bupivacaine plus pethidine or bupivacaine alone in elective cesarean Ssction Scientific enquiries: Habib Zakeri ‐ email: zakerihabib@gmail.com We are unsure of the primary focus as nausea and vomiting is the 5th primary outcome. We will asses for classification when the full paper is published and then decide what the primary focus is. https://en.irct.ir/trial/17203 IRCT2014102719145N2 2014

CS: caesarean section;IM: intramuscular; IT: intrathecal;IV: intravenous;PONV: postoperative nausea and vomiting; RCT: randomised controlled trial; vs: versus.