C. S. . Singh Boscán, D. . Sierra Jurado, A. F. . Unigarro, and C. A. . Corredor Silva, “Testicular Lymphoma: Case Series. Findings in Ultrasound Mode B, Color and Spectral Doppler”, Rev. colomb. radiol., vol. 31, no. 3, pp. 5403–5407, Sept. 2020.