Expression of concern: innovations in prosthetic foot design enhancing durability, functionality and comfort through PLA composite filament 3D printing

The publisher of Pigment & Resin Technology is issuing an Expression of Concern for the following article, Yousif, L.E., Abed, M.S., Al-Zubidi, A.B. and Resan, K.K. (2025), “Innovations in prosthetic foot design enhancing durability, functionality and comfort through PLA composite filament 3D printing.” Pigment & Resin Technology, Vol. 54 No. 3 pp. 378-389, doi: Link to the cited article..An investigation by the publisher identified the inclusion of irrelevant citation. The following citation has been identified as anomalous and inappropriate; the authors were unable to provide sufficient justification for its presence in the article:As a result of these concerns and as trust in the content is central to the integrity of the publication process, the publisher has taken the decision to publish an Expression of Concern. This decision has been informed by COPE’s guidelines on Expressions of Concern and Emerald’s publishing ethics. The authors cooperated with this investigation and acknowledged the errors but failed to provide a satisfactory explanation. The publisher of the journal sincerely apologizes to the readers of this article.