@inbook{1162829777,
author={John W. Engstrom},
editor={Jameson, J. Larry and Fauci, Anthony S. and Kasper, Dennis L. and Hauser, Stephen L. and Longo, Dan L. and Loscalzo, Joseph},
title={Back and Neck Pain},
booktitle={Harrison's Principles of Internal Medicine, 20e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2018},
url={accesspharmacy.mhmedical.com/content.aspx?aid=1162829777}
}