Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SAITO Masahiko and KASUYA Ayumi,Relationship between the Subendocardial Viability Ratio and Risk Factors for Ischemic Heart Disease.,SANGYO EISEIGAKU ZASSHI,13410725,Japan Society for Occupational Health,2003,45,3,114-119,https://cir.nii.ac.jp/crid/1390282679676527744,https://doi.org/10.1539/sangyoeisei.45.114