Ahlgren SA, 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. ActaO [Internet]. 1959 Jan. 1 [cited 2026 Jun. 20];29(1-4):16-20. Available from: https://actaorthop.org/actao/article/view/30557