CHRISTENSEN, Peter Brøgger; CHRISTENSEN, Ib. A case of Friedrich’s disease of the clavicle. Acta Orthopaedica, [S. l.], v. 58, n. 5, p. 585–586, 1987. DOI: 10.3109/17453678709146405. Disponível em: https://actaorthop.org/actao/article/view/23027. Acesso em: 5 may. 2026.