Mahajan, Z. A., S. R. Mehta, and R. Singh. “Undifferentiated Embryonal Sarcoma of Liver in a 9-Year-Old: Case Report”. International Journal of Scientific Reports, vol. 6, no. 11, Oct. 2020, pp. 467-71, doi:10.18203/issn.2454-2156.IntJSciRep20204403.