Nama, K. G., A. Bansal, N. Mantri, R. P. Meena, and S. Joshi. “Functional Outcome of Varus Derotation Osteotomy in Late Presenting Perthes Disease: A Case Series”. International Journal of Research in Orthopaedics, vol. 11, no. 5, Aug. 2025, pp. 1252-8, doi:10.18203/issn.2455-4510.IntJResOrthop20252658.