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Open Access

Expression of Concern

Expression of Concern: A novel MCGDM technique based on correlation coefficients under probabilistic hesitant fuzzy environment and its application in clinical comprehensive evaluation of orphan drugs

  • The PLOS One Editors

The PLOS One Editors issue this Expression of Concern to inform readers that the articles cited as References 29, 86, and 88 were retracted after [1] was published.

Readers are advised to interpret the article [1] with caution.

Reference

  1. 1. Hu Y, Pang Z. A novel MCGDM technique based on correlation coefficients under probabilistic hesitant fuzzy environment and its application in clinical comprehensive evaluation of orphan drugs. PLoS One. 2024;19(5):e0303042. pmid:38709744

Citation: The PLOS One Editors (2026) Expression of Concern: A novel MCGDM technique based on correlation coefficients under probabilistic hesitant fuzzy environment and its application in clinical comprehensive evaluation of orphan drugs. PLoS One 21(10): e0359700. https://doi.org/10.1371/journal.pone.0359700

Published: October 12, 2026

Copyright: © 2026 The PLOS One Editors. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.