V. A. da Rocha, I. A. Silva, S. da S. Cruz-Machado, and M. Bueno, “Painful procedures and pain management in newborns admitted to an intensive care unit*”, Rev. Esc. Enferm. USP, vol. 55, p. e20210232, Oct. 2021, doi: 10.1590/1980-220X-REEUSP-2021-0232.