Ando , A., M. Hatori, M. Hosaka, Y. Hagiwara, A. Kita, and E. Itoi. “Eosinophilic Granuloma Arising from the Pelvis in Children: A Report of Three Cases”. Upsala Journal of Medical Sciences, vol. 113, no. 2, July 2008, pp. 209–216, doi:10.3109/2000-1967-230.