T. P. . Barbosa, L. M. . Beccaria, A. S. . Bastos, A. S. . Bastos, and D. C. da . Silva, “Association between sedation level and mortality of intensive care patients on mechanical ventilation”, Rev. Esc. Enferm. USP, vol. 54, p. e03628, Oct. 2020, doi: 10.1590/s1980-220x2019006903628 .