Silveira, Mariangela F, Alicia Matijasevich, Bernardo L Horta, Heloisa Bettiol, Marco Antonio Barbieri, Antonio A Silva, Patricia H C Rondo, et al. “Prevalence of Preterm Birth According to Birth Weight Group: A Systematic Review”. Revista de Saúde Pública 47, no. 5 (October 1, 2013): 992–1003. Accessed May 7, 2024. https://revistas.usp.br/rsp/article/view/76711.