Published on in Vol 5, No 10 (2021): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/33009, first published
.
![Evaluation of a Digital Handheld Hydrogen Breath Monitor to Diagnose Lactose Malabsorption: Interventional Crossover Study Evaluation of a Digital Handheld Hydrogen Breath Monitor to Diagnose Lactose Malabsorption: Interventional Crossover Study](https://asset.jmir.pub/assets/0add930bd59214cf647b901d58c1e7b4.png 480w,https://asset.jmir.pub/assets/0add930bd59214cf647b901d58c1e7b4.png 960w,https://asset.jmir.pub/assets/0add930bd59214cf647b901d58c1e7b4.png 1920w,https://asset.jmir.pub/assets/0add930bd59214cf647b901d58c1e7b4.png 2500w)
1 Johns Hopkins Medicine, Baltimore, MD, United States
2 Electronics Program, Penn Foster College, Scottsdale, AZ, United States
3 Duke Early Phase Clinical Research Unit, Durham, NC, United States