@inbook{1107199883, author={Philip S. Kim and Sudhir Diwan}, editor={Diwan, Sudhir and Staats, Peter S.}, title={Choosing Intrathecal Medication}, booktitle={Atlas of Pain Medicine Procedures}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accessanesthesiology.mhmedical.com/content.aspx?aid=1107199883} }