@inbook{1155967324,
author={John C. Atherton and Martin J. Blaser},
editor={Jameson, J. Larry and Fauci, Anthony S. and Kasper, Dennis L. and Hauser, Stephen L. and Longo, Dan L. and Loscalzo, Joseph},
title={Helicobacter pylori Infections},
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=1155967324}
}