Hussain, S. Z. M., M. O. Anwer, S. M. Noor, S. Hashmi, S. Anwer, and U. Yaqoob. “Aseptic Meningitis After 20 Years of Endoscopic Transsphenoidal Pituitary Surgery: A Rare Complication”. Medicine and Pharmacy Reports, Sept. 2021, doi:10.15386/mpr-2046.