Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NORDENSTROEM B,Paraxiphoid approach to the mediastinum for mediastinography and mediastinal needle biopsy : a preliminary report,Invest Radiol,,,1967,2,,141-146,https://cir.nii.ac.jp/crid/1570572700697836544,https://doi.org/10.1097/00004424-196703000-00016