ALMONACID-FIERRO, A. A.; ALMONACID FIERRO, M. A. Perception of Chilean older adults in relation to health and physical exercise in pandemic Covid-19. Retos, [S. l.], v. 42, p. 947–957, 2021. DOI: 10.47197/retos.v42i0.89678. Disponível em: https://recyt.fecyt.es/index.php/retos/article/view/89678. Acesso em: 17 jul. 2024.