著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) "Masahiro, HATTA D.D.S. and Takahiro, ICHIKI M.D. and Hiroyuki, MORITA M.D. and Tomohiko, MURAKAMI M.D. and Masako, HATTA D.D.S.",A combination of oral care and 23-valent-pneumococcal vaccination is able to reduce pneumonia incidence in nursing homes,北海道医療大学歯学雑誌,1880-5892,当別町 (北海道) : 北海道医療大学歯学会,2015-12-31,34,2,45-53,https://cir.nii.ac.jp/crid/1050001338422238976,