Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HATSUKARI Takuro and SHIINO Toshihide and MURAI Shinya,The Reduction of Tumbling and Falling Accidents Based on a Built-in Patient Alert System in the Hospital Bed,The Journal of Science of Labour,0022443X,The Ohara Memorial Institute for Science of Labour,2012,88,3,94-102,https://cir.nii.ac.jp/crid/1390282681437469824,https://doi.org/10.11355/isljsl.88.94