Putra, Sukman Tulus, Mulyadi M Djer, Nikmah S Idris, and Sudigdo Sastroasmoro. 2017. “Transcatheter Closure of Patent Ductus Arteriosus in Adolescents and Adults: A Case Series”. Acta Medica Indonesiana 48 (4):314-19. https://actamedindones.org/index.php/ijim/article/view/169.