R. M. M. da Silva, A. Zilly, H. Ferreira, L. Pancieri, J. C. Pina, and D. F. de Mello, “Factors related to duration of hospitalization and death in premature newborns”, Rev. Esc. Enferm. USP, vol. 55, p. e03704, May 2021, doi: 10.1590/s1980-220x2019034103704.