title: Opinion/Editorial and review of recent literature: Where ultrasound has yet to make a difference in regional anesthesia.
authors.affiliation: University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA. peter-foldes@uiowa.edu
authors.forename: Peter
authors.initials: P
authors.lastname: Foldes
authors.forename: Richard W
authors.initials: RW
authors.lastname: Rosenquist
mesh_terms: D004558:Electric Stimulation; D006801:Humans; D059032:Learning Curve; D009407:Nerve Block / Q000009:adverse effects / Q000191:economics / Q000379:methods*; D010525:Peripheral Nerves / Q000000981:diagnostic imaging*; D016032:Randomized Controlled Trials as Topic; D014463:Ultrasonography / Q000379:methods*