Durongpisitkul, Kritvikrom, arupim Soongswang, Duangmanee Laohaprasitiporn, Apichart Nana, Thitima Nutakul, Suneerat Kongsereepongse, and Nittaya Limpimwong. 1999. “Transcatheter Closure of Atrial Septal Defects by AmplatzerTM Septal Occluder Instead of Open Heart Surgery”. Siriraj Medical Journal 51 (2):104-11. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/246873.