M. Ismail, O. Abdel Aleem Abdel Moneim Ragab, M. M. Salama, B. M. Ayoub, and W. Elmahdy, “Transcranial versus Endoscopic Transsphenoidal Approaches in Management of Recurrent Giant Pituitary Adenomas”, Open Access Maced J Med Sci, vol. 8, no. B, pp. 273–280, Apr. 2020.