Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) FAELLA HJ,Closure of the patent ductus arteriosus with the amplatzer PDA device : immediate results of the international clinical trial,Catheter Cardiovasc Interv,,,2000,51,,50-54,https://cir.nii.ac.jp/crid/1570854176022285440,