. 2018 Apr 19;6(4):e69. doi: 10.2196/mhealth.9290
©Raisa Z Freidlin, Amisha D Dave, Benjamin G Espey, Sean T Stanley, Marcial A Garmendia, Randall Pursley, Johnathon P Ehsani, Bruce G Simons-Morton, Thomas J Pohida. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 19.04.2018.
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Figure 5.
Comparison of gravity-corrected Android acceleration measurements with iPhone (inherently gravity-corrected).