PAAVOLAINEN, Pekka; TEPPO, Lyly. Chordoma in Finland. Acta Orthopaedica, [S. l.], v. 47, n. 1, p. 46–51, 1976. DOI: 10.3109/17453677608998971. Disponível em: https://actaorthop.org/actao/article/view/29330. Acesso em: 23 apr. 2026.