Measurement of heart rate variability using off-the-shelf smart phones
Crossref DOI link: https://doi.org/10.1186/s12938-016-0127-8
Published Online: 2016-01-29
Published Print: 2016-01
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Huang, Ren-You
Dung, Lan-Rong