Hailer, Yasmin D, Scott Montgomery, Anders Ekbom, Olof Nilsson, and Shahram Bahmanyar. 2012. “Legg-Calvé-Perthes Disease and the Risk of Injuries Requiring Hospitalization”. Acta Orthopaedica 83 (6):572-76. https://doi.org/10.3109/17453674.2012.736167.