@inbook{1181421469,
author={Dallas M. Swallow and Edward J. Hollox},
editor={Valle, David L. and Antonarakis, Stylianos and Ballabio, Andrea and Beaudet, Arthur L. and Mitchell, Grant A.},
title={Genetic Polymorphism of Intestinal Lactase Activity in Adult Humans},
booktitle={The Online Metabolic and Molecular Bases of Inherited Disease},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2019},
url={ommbid.mhmedical.com/content.aspx?aid=1181421469}
}