title: Rare event research: is it worth it?
authors.affiliation: Department of Anaesthesia and Acute Pain Medicine, St. Vincent's Hospital, Melbourne, Victoria Parade, PO Box 2900, Fitzroy, VIC 3065, Australia michael.barrington@svha.org.au.
authors.forename: M J
authors.initials: MJ
authors.lastname: Barrington
authors.affiliation: Department of Anesthesiology and Pain Management, Dartmouth-Hitchcock Medical Center, One Medical Center Drive, Lebanon, NH 03756, USA.
authors.forename: B D
authors.initials: BD
authors.lastname: Sites
mesh_terms: D006801:Humans; D008508:Medication Errors / Q000706:statistics & numerical data*; D009407:Nerve Block / Q000706:statistics & numerical data*; D011785:Quality Assurance, Health Care / Q000379:methods* / Q000706:statistics & numerical data*