MATTER, F. Front Matter Vol. 56, No. 4 December (2020). Folia Medica Indonesiana, [S. l.], v. 56, n. 4, 2020. DOI: 10.20473/fmi.v56i4.24668. Disponível em: https://e-journal.unair.ac.id/FMI/article/view/24668. Acesso em: 12 jan. 2025.