title: Formative assessment of ultrasound-guided regional anesthesia.
authors: Owen
authors: O
authors: O'Sullivan
authors: George D
authors: GD
authors: Shorten
mesh_terms: D001340:Autonomic Nerve Block / Q000592:standards*; D002983:Clinical Competence / Q000592:standards*; D006801:Humans; D007396:Internship and Residency / Q000592:standards*; D010820:Physicians / Q000592:standards*; D011597:Psychomotor Performance; D014463:Ultrasonography / Q000592:standards*