title: Ultrasound-guided perineural catheters have already arrived.
authors.forename: Jeff
authors.initials: J
authors.lastname: Swenson
mesh_terms: D000779:Anesthetics, Local / Q000008:administration & dosage*; D002404:Catheterization / Q000295:instrumentation*; D006801:Humans; D009407:Nerve Block / Q000295:instrumentation*; D018084:Ultrasonography, Interventional / Q000379:methods*
chemical_list: D000779:Anesthetics, Local