Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) GOTO Shigeru,Study on Increase of Old Aged Patients in Chiba-Higashi Byoin National Sanatorium,Japanese Journal of National Medical Services,00211699,Japanese Society of National Medical Services,1978,32,4,509-515,https://cir.nii.ac.jp/crid/1390001206318076160,https://doi.org/10.11261/iryo1946.32.509