Exogenous black pigmentations in deciduous dentition associated with ingestion of ferrous sulfate. World Health Journal, [S. l.], v. 2, n. 2, p. 18–20, 2021. DOI: 10.47422/whj.v2i2.18. Disponível em: https://revistamedical.com/index.php/whj/article/view/18.. Acesso em: 5 may. 2024.