AUTHOR=Elafifi Abdelrahman , Kotit Susy , Shehata Mahmoud , Deyaa Omar , Ramadan Asmaa , Tawfik Mohammad TITLE=Early experience with transcatheter ventricular septal defects closure with the KONAR-MF multifunctional occluder JOURNAL=Frontiers in Pediatrics VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2025.1528490 DOI=10.3389/fped.2025.1528490 ISSN=2296-2360