Poorzand, H., Attarbashi, A., Bigdelu, L., Mehrad Majd, H., & Alimi, H. "The change in mitral valve prolapse after atrial septal defect closure procedure", Medical Journal of Mashhad university of Medical Sciences, 63, 2, 2020, 2262-2271. doi: 10.22038/mjms.2020.15800