Reliability and validity analysis of smartwatches use for healthcare. Periodicals of Engineering and Natural Sciences, [S. l.], v. 9, n. 3, p. 82–89, 2021. DOI: 10.21533/pen.v9.i3.830. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/830. Acesso em: 29 jul. 2026.