Accuracy of Fitbit Devices: Systematic Review and Narrative Syntheses of Quantitative Data.
JMIR Mhealth Uhealth. 2018 Aug 9;6(8):e10527. doi: 10.2196/10527.
JMIR Mhealth Uhealth. 2018.
PMID: 30093371
Free PMC article.
Review.