Sun J, Liu Y
Using Smart Bracelets to Assess Heart Rate Among Students During Physical Education Lessons: Feasibility, Reliability, and Validity Study
JMIR Mhealth Uhealth 2020;8(8):e17699
URL: mhealth.jmir.org/2020/8/e17699
DOI: 10.2196/17699
PMID: 32663136