@inbook{1141735352, author={Manoj K. Karmakar and Ki Jinn Chin}, editor={Hadzic, Admir}, title={Spinal Sonography and Applications of Ultrasound for Central Neuraxial Blocks}, booktitle={Hadzic's Textbook of Regional Anesthesia and Acute Pain Management, 2e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2017}, url={accessanesthesiology.mhmedical.com/content.aspx?aid=1141735352} }