RASTOGI, N.; TANWAR, R. K.; SAXENA, B. Extrahepatic undifferentiated embryonal sarcoma, cytology as an accurate method for early diagnosis: an extremely rare case report in an Indian child. International Journal of Research in Medical Sciences, [S. l.], v. 7, n. 8, p. 3175–3179, 2019. DOI: 10.18203/2320-6012.ijrms20193413. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/6709. Acesso em: 14 oct. 2025.