Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
HERRMANN HC,Comparison of results of percutaneous balloon valovuloplasty in patients with mild and moderate mitral stenosis to those with severe mitral stenosis.,Am J Cardiol,,,1993,71,,1300-1303,https://cir.nii.ac.jp/crid/1570291226204625024,https://doi.org/10.1016/0002-9149(93)90544-m