@inbook{1156563332,
author={J. Claude Hemphill, III and Wade S. Smith and Daryl R. Gress},
editor={Jameson, J. Larry and Fauci, Anthony S. and Kasper, Dennis L. and Hauser, Stephen L. and Longo, Dan L. and Loscalzo, Joseph},
title={Subarachnoid Hemorrhage},
booktitle={Harrison's Principles of Internal Medicine, 20e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2018},
url={accessmedicine.mhmedical.com/content.aspx?aid=1156563332}
}