Evaluation of the ceo-d index in preschool children of Municipal Children’s Education Centers in Foz do Iguaçu-PR. Research, Society and Development, [S. l.], v. 11, n. 4, p. e12811424411, 2022. DOI: 10.33448/rsd-v11i4.24411. Disponível em: https://rsdjournal.org/rsd/article/view/24411. Acesso em: 5 dec. 2025.