Mechanisms of reducing postoperative pain, nausea and vomiting: a systematic review of current techniques
Alex Rawlinson, Nina Kitchingham, Colin Hart, Gregory McMahon, Seok Ling Ong, Achal Khanna
BMJ Evidence-Based Medicine Jun 2012, 17 (3) 75-80; DOI: 10.1136/ebmed-2011-100265