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机译:Mobile Apps to Quantify Aspects of Physical Activity: a Systematic Review on its Reliability and Validity
Univ Aveiro, Sch Hlth Sci, Campus Univ Santiago, P-3810193 Aveiro, Portugal;
Univ Aveiro, Inst Elect & Telemat Engn Aveiro IEETA, Campus Univ Santiago, P-3810193 Aveiro;
Validity; Reliability; Mobile applications; Physical activity;