Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 若杉 文吉,線維光学による可撓食道鏡,The Journal of Japanese Medical Instruments,00191736,Japanese Society of Medical Instrumentation,1963-12-01,33,12,913,https://cir.nii.ac.jp/crid/1573105976912308224,