Barros GM de, Barros GM de, Anjos MS dos, Mazullo Filho JBR. Smartwatch, oxygen saturation, and COVID-19: Trustworthy?. ABCS Health Sci. [Internet]. 2021 Mar. 8 [cited 2024 Nov. 23];46:e021101. Available from: https://portalnepas.org.br/abcshs/article/view/1681