PT  - JOURNAL ARTICLE
AU  - Sites, Brian D.
AU  - Brull, Richard
AU  - Chan, Vincent W.S.
AU  - Spence, Brian C.
AU  - Gallagher, John
AU  - Beach, Michael L.
AU  - Sites, Vincent R.
AU  - Hartman, Gregg S.
TI  - Artifacts and Pitfall Errors Associated With Ultrasound-Guided Regional Anesthesia: Part I: Understanding the Basic Principles of Ultrasound Physics and Machine Operations
AID  - 10.1016/j.rapm.2007.05.005
DP  - 2007 Sep 01
TA  - Regional Anesthesia & Pain Medicine
PG  - 412--418
VI  - 32
IP  - 5
4099  - http://rapm.bmj.com/content/32/5/412.short
4100  - http://rapm.bmj.com/content/32/5/412.full
SO  - Reg Anesth Pain Med2007 Sep 01; 32