American Medical Society for Sports Medicine position statement: interventional musculoskeletal ultrasound in sports medicine.
Finnoff JT, Hall MM, Adams E, Berkoff D, Concoff AL, Dexter W, Smith J. American Medical Society for Sports Medicine position statement: interventional musculoskeletal ultrasound in sports medicine. Clin J Sport Med. 2015 Jan; 25(1):6-22.