ROOS, Harald; ROOS, Ewa; RYD, Leif. On the art of measuring. Acta Orthopaedica, [S. l.], v. 68, n. 1, p. 3–5, 1997. DOI: 10.3109/17453679709003966. Disponível em: https://actaorthop.org/actao/article/view/20710. Acesso em: 18 may. 2026.