The effect of neurobiofeedback training on cognitive functions in elderly people with COVID-19. Notes in Current Biology, [S. l.], v. 4, n. 2, 2023. DOI: 10.29038/2617-4723-2022-2-12. Disponível em: https://journalbio.vnu.edu.ua/index.php/bio/article/view/593.. Acesso em: 2 may. 2024.