title: Evidence-based emergency medicine/systematic review abstract. Analgesia in patients with acute abdominal pain: to withhold or not to withhold?
authors.affiliation: Department of Emergency Medicine, State University of New York, Downstate Medical Center, Brooklyn, NY, USA.
authors.forename: Richard
authors.initials: R
authors.lastname: Sinert
authors.forename: Uché
authors.initials: U
authors.lastname: Blackstock