Tanyel, F Cahit. “Obliteration of Processus Vaginalis: Aberrations in the Regulatory Mechanism Result in an Inguinal Hernia, Hydrocele or Undescended Testis”. The Turkish Journal of Pediatrics, vol. 46, no. 50, Jan. 2004, pp. 18-27, https://turkjpediatr.org/article/view/2758.