Silveira MF, Matijasevich A, Horta BL, Bettiol H, Barbieri MA, Silva AA, et al. Prevalence of preterm birth according to birth weight group: a systematic review. Rev. saúde pública [Internet]. 2013 Oct. 1 [cited 2024 May 7];47(5):992-1003. Available from: https://revistas.usp.br/rsp/article/view/76711