POLLARD, Thomas CB; VILLAR, Richard N; NORTON, Mark R; FERN, E Darren; WILLIAMS, Mark R; SIMPSON, David J; MURRAY, David W; CARR, Andrew J. Femoroacetabular impingement and classification of the cam deformity: the reference interval in normal hips. Acta Orthopaedica, [S. l.], v. 81, n. 1, p. 134–141, 2010. DOI: 10.3109/17453671003619011. Disponível em: https://actaorthop.org/actao/article/view/11013. Acesso em: 30 apr. 2026.