Serpa, M. J. R. L., Franco, S., Repolho, D., Branco, F., Gramaça, J., & Júnior, J. F. (2018). An Unusual Case of Primary Retroperitoneal Germ Cell Tumour in a Young Man. European Journal of Case Reports in Internal Medicine, 5(7). https://doi.org/10.12890/2018_000900