@inbook{1184156064, author={Paul L. Nadler and Ralph Gonzales}, editor={Papadakis, Maxine A. and McPhee, Stephen J. and Rabow, Michael W. and McQuaid, Kenneth R.}, title={Acute Headache}, booktitle={Current Medical Diagnosis & Treatment 2022}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2022}, url={accessmedicine.mhmedical.com/content.aspx?aid=1184156064} }