Wijaya R, Tobing TCL. The Role of Echocardiogram in Outpatient Paediatric Chest Pain. Cermin Dunia Kedokteran [Internet]. 2019 Jun. 3 [cited 2025 Jan. 23];46(6):462-9. Available from: https://cdkjournal.com/index.php/cdk/article/view/444