@inbook{1185069158, author={Donald Venes}, title={Breath Test For Lactase Deficiency - Bronchiolitis}, booktitle={Taber's® Cyclopedic Medical Dictionary, 24e}, publisher={F.A. Davis Company}, address={New York, NY}, year={2021}, url={fadavispt.mhmedical.com/content.aspx?aid=1185069158} }