A Focused Review of Smartphone Diet-Tracking Apps: Usability, Functionality, Coherence With Behavior Change Theory, and Comparative Validity of Nutrient Intake and Energy Estimates.
JMIR Mhealth Uhealth. 2019 May 17;7(5):e9232. doi: 10.2196/mhealth.9232.
JMIR Mhealth Uhealth. 2019.
PMID: 31102369
Free PMC article.
Review.