FRONT MATTER. Front Matter. Journal Orthopaedi and Traumatology Surabaya, [S. l.], v. 8, n. 2, 2019. DOI: 10.20473/joints.v8i2.2019.%p. Disponível em: https://e-journal.unair.ac.id/JOINTS/article/view/38082. Acesso em: 29 jan. 2023.