Serpa, Maria João Raposo Linhares, Susana Franco, Diana Repolho, Francisco Branco, João Gramaça, and José Ferreira Júnior. “An Unusual Case of Primary Retroperitoneal Germ Cell Tumour in a Young Man”. European Journal of Case Reports in Internal Medicine 5, no. 7 (May 29, 2018). Accessed April 30, 2024. https://www.ejcrim.com/index.php/EJCRIM/article/view/900.