@inbook{1137207857, author={Navin Kumar and Anica Law and Niteesh K. Choudhry}, title={Helicobacter Pylori Testing}, booktitle={Teaching Rounds: A Visual Aid to Teaching Internal Medicine Pearls on the Wards}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2016}, url={accessmedicine.mhmedical.com/content.aspx?aid=1137207857} }