Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OBATA Michio,A Medico-geographical Study of the Vital Statistics on Liver Diseases in Japan,Japanese Journal of Health and Human Ecology,03689395,The Japanese Society of Health and Human Ecology,1975,41,2,66-104,https://cir.nii.ac.jp/crid/1390001205005854976,https://doi.org/10.3861/jshhe.41.66