CHRISTENSEN, Niels Olaf. Shortening in Pseudarthrosis. Treatment with the KÜntscher Distractor. Acta Orthopaedica, [S. l.], v. 41, n. 3, p. 363–368, 1970. DOI: 10.3109/17453677008991522. Disponível em: https://actaorthop.org/actao/article/view/29946. Acesso em: 26 may. 2026.