Comparison of intravenous paracetamol (acetaminophen) to intravenously or intramuscularly administered non-steroidal anti-inflammatory drugs (NSAIDs) or opioids for patients presenting with moderate to severe acute pain conditions to the ED: systematic review and meta-analysis

• Isma QureshiHamad General Hospital
• Khadiga AbdulrashidPrimary Health Care
• Stephen Hodges ThomasQueen Mary University of London
• Manar E. Abdel‐RahmanQatar University
• Sameer A. PathanQueen Mary University of London
• Tim HarrisQueen Mary University of London