Transcatheter Closure of Multiple Membranous Ventricular Septal Defects with Giant Aneurysms Using Double Occluders in Four Patients - Li-Jian Zhao; Bo Han; Jian-Jun Zhang; Ying-Chun Yi; Dian-Dong Jiang; Jian-Li Lyu; Chun-Yan Guo (Chinese Medical Journal, 2017)