Effects of azithromycin on ventricular repolarization in children with COVID-19 Suleyman Sunkak; Mustafa Argun; Binnaz Celik; Onur Tasci; Agah Bahadir Ozturk; Dogan Bahadir Inan; Murat Dogan;

Changes in heart rate variability after ventricular septal defect closure in children. Where do we stand? Adaptation mechanism, sequela or complications? Fátima F. Pinto;

Comparison of echocardiography and 320-row multidetector computed tomography for the diagnosis of congenital heart disease in children Erkut Öztürk; ¿brahim Cansaran Tan¿d¿r; Hacer Kamal¿; Pelin Ayy¿ld¿z; Cagdas Topel; ¿smihan Selen Onan; Aysel Türkvatan; Sertaç Haydin; Alper Güzelta¿;