STALLMANN, Hein P; FABER, Chris; PLOKKER, Herbert M; WUISMAN, Paul I J M. Biodegradable X-ray markers of controlled radio-opacity. Acta Orthopaedica, [S. l.], v. 76, n. 1, p. 122–127, 2005. DOI: 10.1080/00016470510030445. Disponível em: https://actaorthop.org/actao/article/view/19306. Acesso em: 1 may. 2026.