Nasution AN, Napitupulu B, Ardini TW, Purba JW, Andra CA, Lubis AC, Siregar AA. Non - Fluoroscopic Transesophageal Echocardiography Guided Transcatheter Closure of Atrial Septal Defects: Single Centre Experience in The North of Sumatra Island, Indonesia. IJC [Internet]. 31Mar.2026 [cited 17Apr.2026];47(1). Available from: https://www.ijconline.id/index.php/ijc/article/view/1985