Cortes, Dina, et al. “Testicular Neoplasia in Undescended Testes of Cryptorchid Boys-Does Surgical Strategy Have an Impact on the Risk of Invasive Testicular Neoplasia?”. The Turkish Journal of Pediatrics, vol. 46, no. 50, Jan. 2004, pp. 35-42, https://turkjpediatr.org/article/view/2760.