@misc{oai:nufs-nuas.repo.nii.ac.jp:00000995,
 author = {井形, 昭弘 and IGATA, Akihiro},
 month = {Mar},
 title = {The long term care insurance system in Japan − Significance of nutritional preventive care −},
 year = {2007},
 yomi = {イガタ, アキヒロ}
}