title: In reply.
authors.affiliation: Department of Orthopaedic Surgery, Stanford University Medical Center, Redwood City, CA.
authors.forename: Brendan
authors.initials: B
authors.lastname: Carvalho
authors.affiliation: Department of Orthopaedic Surgery, Stanford University Medical Center, Redwood City, CA.
authors.forename: Zahab S
authors.initials: ZS
authors.lastname: Ahsan
authors.affiliation: Department of Orthopaedic Surgery, Stanford University Medical Center, Redwood City, CA.
authors.forename: Jeffrey
authors.initials: J
authors.lastname: Yao
mesh_terms: D000577:Amides; D001132:Arm / Q000294:innervation* / Q000601:surgery*; D002045:Bupivacaine; D002408:Catheters, Indwelling; D005260:Female; D006801:Humans; D008297:Male; D009407:Nerve Block / Q000379:methods*; D010147:Pain Measurement; D010149:Postoperative Pain / Q000517:prevention & control*; D010525:Peripheral Nerves / Q000187:drug effects* / Q000503:physiopathology*
chemical_list: D000577:Amides; D002045:Bupivacaine