Ikeda, H., Kubo, T., Sasaki, T., Liu, X., Matsuo, T., So, R., . . . Takahashi, M. (2017). Cross-sectional Internet-based survey of Japanese permanent daytime workers' sleep and daily rest periods. J Occup Health.

Ikeda, Hiroki, Tomohide Kubo, Takeshi Sasaki, Xinxin Liu, Tomoaki Matsuo, Rina So, Shun Matsumoto, Takashi Yamauchi, i Masaya Takahashi. "Cross-sectional Internet-based Survey of Japanese Permanent Daytime Workers' Sleep and Daily Rest Periods." J Occup Health 2017.

Ikeda, Hiroki, et al. "Cross-sectional Internet-based Survey of Japanese Permanent Daytime Workers' Sleep and Daily Rest Periods." J Occup Health 2017.