K. D. S. Velozo, C. A. D. Costa, C. T. Tonial, F. Crestani, G. R. H. Andrades, and P. C. R. Garcia, “Comparison of nursing workload in a Pediatric Intensive Care Unit estimated by three instruments”, Rev. Esc. Enferm. USP, vol. 55, p. e00547, Aug. 2021, doi: 10.1590/1980-220X-REEUSP-2020-0547.