title: Equivalence is victory.
authors.forename: John
authors.initials: J
authors.lastname: Antonakakis
authors.forename: Brian
authors.initials: B
authors.lastname: Sites
mesh_terms: D000698:Analgesia / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D009407:Nerve Block / Q000379:methods*; D010146:Pain / Q000517:prevention & control*; D010525:Peripheral Nerves / Q000000981:diagnostic imaging*; D018084:Ultrasonography, Interventional