BAJRACHARYA, A.; GUPTA, R.; AGRAWAL, C.; KARKI, S. Hemangiopericytoma in the retroperitoneal space. Health Renaissance, [S. l.], v. 9, n. 3, p. 210–213, 2011. DOI: 10.3126/hren.v9i3.5593. Disponível em: https://nepjol.info/index.php/HREN/article/view/5593. Acesso em: 8 jul. 2024.