Himori Ko, Hatori Masahito, Wantanabe Mika, Moriya Takuya, Ogose Akira, Hashimoto Hiroshi, and Kokubun Shoichi. 2009. “Infantile Fibrosarcoma of Thigh - a Case Report”. Upsala Journal of Medical Sciences 110 (1):85-96. https://doi.org/10.3109/2000-1967-184.