SIEVERS, Kai; KLAUKKA, Timo. Back pain and arthrosis in Finland. Acta Orthopaedica, [S. l.], v. 62, n. sup241, p. 3–5, 1991. DOI: 10.3109/17453679109155095. Disponível em: https://actaorthop.org/actao/article/view/22249. Acesso em: 23 feb. 2025.