NIINIMÄKI, Timo. Increasing demands on orthopedic services. Acta Orthopaedica, [S. l.], v. 62, n. sup241, p. 42–43, 1991. DOI: 10.3109/17453679109155106. Disponível em: https://actaorthop.org/actao/article/view/22303. Acesso em: 13 may. 2026.