Murad A. Alturkustani. Rare Variants of Ependymoma: A Report of Four Cases and a Review of the Literature. JKAU Med Sci [Internet]. 2023 Jul. 8 [cited 2024 Nov. 21];23(3):39-50. Available from: https://journals.kau.edu.sa/index.php/MedSci/article/view/1169