Nguyen VT, Dao TTN, Dang TH, Nguyen TT, Tran VD, Lo TTT, Nguyen TH, Phi TN. Evaluating changes in some hematological and blood biochemical parameters of pediatric patients before and after complete repair surgery for tetralogy of Fallot in Cadiovascular center – E Hospital. VJCTS. 2025;53:15 - 22. doi:10.47972/vjcts.v53i.1539