WILLNER, Stig. Difference in Leg Length in Children with Coxa Plana During and After Treatment Using Unilateral Unloading: A Study. Acta Orthopaedica, [S. l.], v. 46, n. 1, p. 102–107, 1975. DOI: 10.3109/17453677508989197. Disponível em: https://actaorthop.org/actao/article/view/29466. Acesso em: 25 apr. 2026.