PERROTTA, A. S.; GNATIUK, E. Establishing Validity and Reliability of HRV Smartphone Applications: What Have We Really Been Examining?. The Health & Fitness Journal of Canada, [S. l.], v. 16, n. 1, p. 3–9, 2023. DOI: 10.14288/hfjc.v16i1.827. Disponível em: https://hfjc.library.ubc.ca/index.php/HFJC/article/view/827. Acesso em: 10 may. 2024.