A. B. R. A. Maria, P. Amelia, F. Meirina, J. Harahap, L. Irsa, and O. R. Siregar, “Pneumonia among Children with Congenital Heart Disease: Patterns by Shunt Type in A Tertiary Hospital in Indonesia”, IJGHR, vol. 8, no. 3, pp. 731–738, May 2026.