Silva, R. B. da, Neves, V. R., Barros, M. C., Gambassi, B. B., Schwingel, P. A. and Sobral-Filho, D. C. (2023) “Autonomic dysfunction in COVID-19 patients receiving mechanical ventilation: A cross-sectional study”, São Paulo Medical Journal, 141(6), pp. 1–8. Available at: https://periodicosapm.emnuvens.com.br/spmj/article/view/374 (Accessed: 16 October 2025).