title: Ultrasound-guided perineural catheter insertion: three approaches but few illuminating data.
authors.forename: Brian M
authors.initials: BM
authors.lastname: Ilfeld
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Fredrickson
authors.forename: Edward R
authors.initials: ER
authors.lastname: Mariano
mesh_terms: D002404:Catheterization / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D009339:Needles; D009407:Nerve Block / Q000295:instrumentation / Q000379:methods; D010525:Peripheral Nerves / Q000000981:diagnostic imaging; D018084:Ultrasonography, Interventional / Q000379:methods*