ÖSTGAARD, H C. Back pain and pregnancy. Acta Orthopaedica, [S. l.], v. 63, n. sup247, p. 61–61, 1992. DOI: 10.3109/17453679209155043. Disponível em: https://actaorthop.org/actao/article/view/22105. Acesso em: 4 may. 2026.