Gastroenterology Research and Practice

Gastroenterology Research and Practice / 2020 / Article

Retraction | Open Access

Volume 2020 |Article ID 5109831 | https://doi.org/10.1155/2020/5109831

Gastroenterology Research and Practice, "Retracted: Influence of Gastrectomy on Cortical and Cancellous Bones in Rats", Gastroenterology Research and Practice, vol. 2020, Article ID 5109831, 1 page, 2020. https://doi.org/10.1155/2020/5109831

Retracted: Influence of Gastrectomy on Cortical and Cancellous Bones in Rats

Received02 Sep 2020
Accepted02 Sep 2020
Published31 Oct 2020

Gastroenterology Research and Practice has retracted the article titled “Influence of gastrectomy on cortical and cancellous bones in rats” [1], following the publication of an Expression of Concern in July 2019 [2] and an institutional investigation.

An investigation by the Keio University School of Medicine found that Dr. Jun Iwamoto included his supervisors as co-authors on some articles without their approval. He also reused the data from previous articles without any references or citations. Parts of the articles that were subject to the investigation were mistyped and needed revision. The investigation could not confirm any instances where data may have been intentionally fabricated, plagiarized, or otherwise falsified. The investigatory report was not provided by the institution or the Ministry of Education, Culture, Sports, Science and Technology.

The concerns raised in the Expression of Concern still stand [2] and the related article the authors published in Journal of Nutritional Science and Vitaminology was retracted in July 2019 [3].

The authors agree to retraction.

References

  1. J. Iwamoto, Y. Sato, and H. Matsumoto, “Influence of gastrectomy on cortical and cancellous bones in rats,” Gastroenterology Research and Practice, vol. 2013, Article ID 381616, 8 pages, 2013. View at: Publisher Site | Google Scholar
  2. Gastroenterology Research and Practice, “Expression of Concern on "Influence of gastrectomy on cortical and cancellous bones in rats",” Gastroenterology Research and Practice, vol. 2019, Article ID 4312310, 2 pages, 2019. View at: Publisher Site | Google Scholar
  3. “Retraction of Vitamin K2 improves femoral bone strength without altering bone mineral density in gastrectomized rats,” Journal of Nutritional Science and Vitaminology, vol. 65, no. 3, p. 283, 2019. View at: Publisher Site | Google Scholar

Copyright © 2020 Gastroenterology Research and Practice. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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