Impact of COVID-19–Related Social Restrictions on Vitamin D Levels in Japanese Newborns and Infants: A Retrospective Cohort Study

Yoshiko Seki, Kaori Hara-isono, Kazumi Morisawa, Mariko Hida, Kazushige Ikeda

Open source

DOI
10.2302/kjm.2025-0024-oa
Published
2026
Container
The Keio Journal of Medicine
Publisher
Keio Journal of Medicine
Open access
unknown

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BibTeX

@article{allodium:10.2302/kjm.2025-0024-oa,
  title = {Impact of COVID-19–Related Social Restrictions on Vitamin D Levels in Japanese          Newborns and Infants: A Retrospective Cohort Study},
  author = {Yoshiko Seki and Kaori Hara-isono and Kazumi Morisawa and Mariko Hida and Kazushige Ikeda},
  year = {2026},
  journal = {The Keio Journal of Medicine},
  doi = {10.2302/kjm.2025-0024-oa},
  url = {https://doi.org/10.2302/kjm.2025-0024-oa}
}

RIS

TY  - JOUR
TI  - Impact of COVID-19–Related Social Restrictions on Vitamin D Levels in Japanese          Newborns and Infants: A Retrospective Cohort Study
AU  - Yoshiko Seki
AU  - Kaori Hara-isono
AU  - Kazumi Morisawa
AU  - Mariko Hida
AU  - Kazushige Ikeda
PY  - 2026
JO  - The Keio Journal of Medicine
DO  - 10.2302/kjm.2025-0024-oa
UR  - https://doi.org/10.2302/kjm.2025-0024-oa
ER  - 

APA

Seki, Y., Hara-isono, K., Morisawa, K., Hida, M., & Ikeda, K. (2026). Impact of COVID-19–Related Social Restrictions on Vitamin D Levels in Japanese Newborns and Infants: A Retrospective Cohort Study. The Keio Journal of Medicine. https://doi.org/10.2302/kjm.2025-0024-oa

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