Shahnawaz Sathio, Shakeel Ahmed, Mehtab Hussain, Nimra Zahid, Saad Ullah Siddiqui, and Fazal ur Rehman, “Outcome of Early and Late Onset Fontan Operation in Patients with Univentricular Heart Repair”, Pak Armed Forces Med J, vol. 74, no. 4, pp. 1007–1010, Aug. 2024, doi: 10.51253/pafmj.v74i4.8006.