title: Reply to Drs Bhatt and Hofmann.
authors.affiliation: Department of Anesthesia and Pain Management, Toronto Western Hospital University of Toronto Toronto, Ontario, Canada Institute of Social and Preventive Medicine (IUMSP), Centre Hospitalier Universitaire Vaudois and University of Lausanne Lausanne, Switzerland Department of Anesthesia and Pain Management, Toronto Western Hospital University of Toronto Toronto, Ontario, Canada.
authors.forename: Eric
authors.initials: E
authors.lastname: Albrecht
authors.forename: Kyle R
authors.initials: KR
authors.lastname: Kirkham
authors.forename: Patrick
authors.initials: P
authors.lastname: Taffé
authors.forename: Richard
authors.initials: R
authors.lastname: Brull
mesh_terms: D001917:Brachial Plexus / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D009339:Needles; D009407:Nerve Block / Q000295:instrumentation* / Q000379:methods*; D018084:Ultrasonography, Interventional / Q000379:methods*