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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2014 2
2015 1
2016 5
2017 5
2018 6
2019 5
2020 8
2021 13
2022 11
2023 6
2024 4

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Page 1
Association Between Toothbrushing Habits and COVID-19 Symptoms.
Abbas H, Takeuchi K, Koyama S, Osaka K, Tabuchi T. Abbas H, et al. Among authors: koyama s. Int Dent J. 2023 Apr;73(2):302-310. doi: 10.1016/j.identj.2022.07.011. Epub 2022 Aug 4. Int Dent J. 2023. PMID: 36192224 Free PMC article.
E-Cigarettes Use Behaviors in Japan: An Online Survey.
Koyama S, Tabuchi T, Miyashiro I. Koyama S, et al. Int J Environ Res Public Health. 2022 Jan 14;19(2):892. doi: 10.3390/ijerph19020892. Int J Environ Res Public Health. 2022. PMID: 35055714 Free PMC article.
Sleep duration and remaining teeth among older people.
Koyama S, Aida J, Cable N, Tsuboya T, Matsuyama Y, Sato Y, Yamamoto T, Kondo K, Osaka K. Koyama S, et al. Sleep Med. 2018 Dec;52:18-22. doi: 10.1016/j.sleep.2018.07.020. Epub 2018 Aug 10. Sleep Med. 2018. PMID: 30195198
Association Between Social Isolation and Smoking in Japan and England.
Ikeda T, Cable N, Saito M, Koyama S, Tsuji T, Noguchi T, Kondo K, Osaka K, Aida J. Ikeda T, et al. Among authors: koyama s. J Epidemiol. 2021 Oct 5;31(10):523-529. doi: 10.2188/jea.JE20200138. Epub 2021 Feb 4. J Epidemiol. 2021. PMID: 32779628 Free PMC article.
53 results