Nagula, Praveen, Kiranmayi, Anjani, Krishna, M., Ch., Sambasiva, Srinivas, Ravi, Naidu, O., AND P, KMK. " Tetralogy of Fallot in a child with VACTERL association - A case report of uncommon occurrence" Medical Research Archives [Online], Volume 8 Number 7 (22 July 2020)