Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SAKAMOTO Naomasa and UMETANI Takehiko,Evaluation of bone health in rural aged farmers by plasma osteocalcin and urinary mineral excretion.,Japanese Journal of Health and Human Ecology,03689395,The Japanese Society of Health and Human Ecology,2002,68,5,188-194,https://cir.nii.ac.jp/crid/1390282679984186368,https://doi.org/10.3861/jshhe.68.188