@inbook{1107195801, author={Hariharan Shankar and Kanishka Rajput}, editor={Diwan, Sudhir and Staats, Peter S.}, title={Ultrasound Guidance for Interventional Pain Management}, booktitle={Atlas of Pain Medicine Procedures}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accessanesthesiology.mhmedical.com/content.aspx?aid=1107195801} }