Talha Abbas, M. A. Nadir, A. Ur Rehman, I. Malik, M. U. Wahab, and M. Masood, “Extra skeletal Ewing’s sarcoma in the parapharyngeal space: a rare case report”, J Pak Med Assoc, vol. 75, no. 09, pp. 1499–1501, Aug. 2025.