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Eguchi, Hisashi, Wada, Koji, Higuchi, Yoshiyuki, Smith, Derek R.. John Wiley & Sons; 2017. Co-worker perceptions of return-to-work opportunities for Japanese cancer survivors.
Wada, Koji, Higuchi, Yoshiyuki, Smith, Derek R.. BMJ Open; 2015. Socioeconomic status and self-reported health among middle-aged Japanese men: results from a nationwide longitudinal study.
Wada, Koji, Smith, Derek R.. BioMed Central; 2015. Mistrust surrounding vaccination recommendations by the Japanese government: results from a national survey of working-age individuals.
Wada, Koji, Smith, Derek R., Eguchi, Hisashi. Bentham Open; 2014. Ongoing care and follow-up behavior of working age Japanese with hepatitis C virus.
Smith, Derek R., Wada, Koji. Japan Epidemiological Association; 2013. Declining rates of tobacco use in the Japanese medical profession, 1965-2009.
Wada, Koji, Eguchi, Hisashi, Prieto-Merino, David, Smith, Derek R.. Elsevier; 2016. Occupational differences in suicide mortality among Japanese men of working age.
Wada, Koji, Eguchi, Hisashi, Yoneoka, Daisuke, Okahisa, Jun, Smith, Derek R.. BioMed Central; 2015. Associations between psychological distress and the most concerning present personal problems among working-age men in Japan.
Ishimaru, Tomohiro, Wada, Koji, Smith, Derek R.. Roudou Anzen Eisei Sougou Kenkyujo / National Institute of Occupational Safety and Health, Japan; 2016. HIV testing and attitudes among the working-age population of Japan: annual health checkups may offer an effective way forwards.
Wada, Koji, Smith, Derek R.. Public Library of Science; 2013. Influenza vaccination uptake among the working age population of Japan: results from a national cross-sectional survey.
Wada, Koji, Oka-Ezoe, Kuniko, Smith, Derek R.. BioMed Central Ltd; 2012. Wearing face masks in public during the influenza season may reflect other positive hygiene practices in Japan.
Hori, Ai, Wada, Koji, Smith, Derek R.. Public Library of Science (PLOS); 2015. A socio-demographic examination of adults responding to governmental vaccination recommendations during the Japanese rubella outbreak of 2013.
Eguchi, Hisashi, Wada, Koji, Higuchi, Yoshiyuki, Yoneoka, Daisuke, Smith, Derek R.. Public Library of Science; 2015. Work content and serious mental illness among middle-aged men: results from a 6-year longitudinal study in Japan.
Eguchi, Hisashi, Wada, Koji, Smith, Derek R.. Public Library of Science; 2014. Sociodemographic factors and prejudice toward HIV and hepatitis B/C status in a working-age population: results from a national, cross-sectional study in Japan.
Ishimaru, Tomohiro, Wada, Koji, Arphorn, Sara, Smith, Derek R.. Japan Society for Occupational Health; 2016. Barriers to the acceptance of work colleagues infected with Hepatitis B and Hepatitis C in Japan.
Wada, Koji, Smith, Derek R., Ishimaru, Tomohiro. BioMed Central; 2016. Reluctance to care for patients with HIV or hepatitis B / C in Japan.
Sasaki, Nanae, Wada, Koji, Smith, Derek R., Wang, Guoquin, Ohta, Hiroshi, Shibuya, Akitaka. Japan Society for Occupational Health; 2013. Hepatitis screening in Japanese individuals of working age and prejudice against infected persons in the workplace.
Wada, Koji, Higuchi, Yoshiyuki, Smith, Derek R.. Public Library of Science (PLoS); 2016. Assessing the impact of nationwide smoking cessation interventions among employed, middle-aged Japanese men, 2005-2010.