@article{oai:kwmw.repo.nii.ac.jp:00013308, author = {HONO, Takahiro and HIROSHIGE, Yoshiharu and MIYATA, Yo}, issue = {1}, journal = {川崎医療福祉学会誌}, month = {Oct}, note = {P(論文)}, pages = {209--215}, title = {Nocturnal Sleep at a Predetermined Time in Healthy Undergraduate Students}, volume = {1}, year = {1991} }