AHLGREN, S. A.; KNUTSSON, B. Modified Shelf Operation with Lowering of the Entire Roof of the Acetabulum for Congenital Dislocation of the Hip Review of a Surgical Series. Acta Orthopaedica, [S. l.], v. 29, n. 1-4, p. 16–20, 1959. DOI: 10.3109/17453675908988782. Disponível em: https://actaorthop.org/actao/article/view/30557. Acesso em: 22 jun. 2026.