Postirradiation osteosarcoma of the occipital bone: A case report. Indian Journal of Case Reports, [S. l.], v. 4, n. 4, p. 289–291, 2018. DOI: 10.32677/IJCR.2018.v04.i04.012. Disponível em: https://mansapublishers.com/ijcr/article/view/1035. Acesso em: 5 dec. 2025.