@inbook{1141731465, author={Vivian H. Y. Ip and Ban C. H. Tsui}, editor={Hadzic, Admir}, title={Equipment for Regional Anesthesia}, 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=1141731465} }