Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kanayama Masaki,Length of stay in a rural hospital,Nippon Eiseigaku Zasshi (Japanese Journal of Hygiene),00215082,The Japanese Society for Hygiene,1961,16,2,128-131,https://cir.nii.ac.jp/crid/1390001206363451136,https://doi.org/10.1265/jjh.16.128