Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TSUKAMOTO Yasushi,Persistent or permanent vegetative state,Bioethics,1343-4063,Japan Association for Bioethics,1998,8,1,47-51,https://cir.nii.ac.jp/crid/1390282679462804736,https://doi.org/10.20593/jabedit.8.1_47