Yang, Nathaniel. “Otitic Hydrocephalus or Obstructive Hydrocephalus?”. Philippine Journal of Otolaryngology Head and Neck Surgery 37, no. 2 (November 15, 2022): 57. Accessed June 23, 2024. https://pjohns.pso-hns.org/index.php/pjohns/article/view/2041.