LAURITZEN, Jørgen. Legg-Calvé-Perthes Disease: A Comparative Study. Acta Orthopaedica, [S. l.], v. 46, n. sup159, p. 1–137, 1975. DOI: 10.3109/ort.1975.46.suppl-159.01. Disponível em: https://actaorthop.org/actao/article/view/29551. Acesso em: 18 may. 2026.