Comment on

• Efficacy, dose-response, and safety of ondansetron in prevention of postoperative nausea and vomiting: a quantitative systematic review of randomized placebo-controlled trials.

  Tramèr MR, Reynolds DJ, Moore RA, McQuay HJ. Tramèr MR, et al. Anesthesiology. 1997 Dec;87(6):1277-89. doi: 10.1097/00000542-199712000-00004. Anesthesiology. 1997. PMID: 9416710
• Antiemetic prophylaxis does not improve outcomes after outpatient surgery when compared to symptomatic treatment.

  Scuderi PE, James RL, Harris L, Mims GR 3rd. Scuderi PE, et al. Anesthesiology. 1999 Feb;90(2):360-71. doi: 10.1097/00000542-199902000-00006. Anesthesiology. 1999. PMID: 9952138 Clinical Trial.