Rocha, F. E. V., F. F. Moreira, D. C. Ribeiro, and A. C. D. Bini. “The Use of the Prone Position in Patients Diagnosed With COVID-19: A Systematic Review”. FisiSenectus Journal, vol. 8, no. 1, Nov. 2020, pp. 133-42, doi:10.22298/rfs.2020.v8.n1.5403.