title: Reply to Drs Alakkad et al and Wong et al.
authors: De Q H
authors: DQ
authors: Tran
authors: Francisca
authors: F
authors: Bernucci
authors: Andrea P
authors: AP
authors: González
authors: Roderick J
authors: RJ
authors: Finlayson
mesh_terms: D001917:Brachial Plexus / Q000000981:diagnostic imaging*; D006801:Humans; D009407:Nerve Block / Q000379:methods*; D018084:Ultrasonography, Interventional / Q000379:methods*