title: Reply to Dr Sala-Blanch et al.
authors: Anahi
authors: A
authors: Perlas
authors: Vincent W S
authors: VW
authors: Chan
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D009407:Nerve Block / Q000379:methods*; D012584:Sciatic Nerve / Q000000981:diagnostic imaging*; D018084:Ultrasonography, Interventional / Q000379:methods*