WEIDOW, Jonas; CEDERLUND, Claes-Göran; RANSTAM, Jonas; KÄRRHOLM, Johan. Ahlbäck grading of osteoarthritis of the knee: Poor reproducibility and validity based on visual inspection of the joint. Acta Orthopaedica, [S. l.], v. 77, n. 2, p. 262–266, 2006. DOI: 10.1080/17453670610046000. Disponível em: https://actaorthop.org/actao/article/view/19164. Acesso em: 2 jun. 2026.