@inbook{1148900537,
author={Roy Freeman},
editor={Kasper, Dennis and Fauci, Anthony and Hauser, Stephen and Longo, Dan and Jameson, J. Larry and Loscalzo, Joseph},
title={Syncope},
booktitle={Harrison's Principles of Internal Medicine, 19e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2014},
url={accessmedicine.mhmedical.com/content.aspx?aid=1148900537}
}