Risk factors associated with preterm birth: identification, prediction and evaluation in the BRISA cohort. SciELO Preprints, 2024. DOI: 10.1590/SciELOPreprints.7882. Disponível em: https://preprints.scielo.org/index.php/scielo/preprint/view/7882. Acesso em: 11 jun. 2026.