@inbook{1163482857, author={Brian E. Harrington}, editor={Hadzic, Admir and Balocco, Angela Lucia}, title={Postdural Puncture Headache}, booktitle={Hadzic's Textbook of Regional Anesthesia and Acute Pain Management: Self-Assessment and Review}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2019}, url={accessanesthesiology.mhmedical.com/content.aspx?aid=1163482857} }