Flow-Mediated Vasodilatation which is diagnostic method of endothelial dysfunctions change in atrial septal defect patients before and after closure of the ASD . Ann Med Res [Internet]. 2021 May 25 [cited 2025 Apr. 4];27(4):1030-5. Available from: http://annalsmedres.org/index.php/aomr/article/view/738