Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OKAMURA Tsuyoshi and ITO Kae and KONNO Michiko and INAGAKI Hiroki and SUGIYAMA Mika and SAKUMA Naoko and AWATA Shuichi,Subjective daytime sleepiness in community-dwelling elderly in Japan,Nihon Koshu Eisei Zasshi(JAPANESE JOURNAL OF PUBLIC HEALTH),05461766,Japanese Society of Public Health,2012,59,9,675-683,https://cir.nii.ac.jp/crid/1390001205504883584,https://doi.org/10.11236/jph.59.9_675