Integrity review: 'Mechanical properties of artificial hip stems' (Zhang Lanfeng et al.), DOI 10.3969/j.issn.1673-8225.2011.30.028

Academic fraud report · Geng Detector

Summary

Verdict: Suspicious / doubtful. This is a 2011 Chinese-language review article by Zhang Lanfeng, Ge Shirong, and Liu Hongtao on the mechanical properties of artificial hip stems. The flagship concerns are textual rather than data-integrity issues: the database publisher 'Elsevier' is misspelled as 'ELSEVER' in both the Chinese and English abstracts, and the English abstract names 'EI Village and ELSEVER' as the searched databases, whereas the Chinese methods section (1.1) refers to 'Springer link 数据库' alongside ELSEVER. EI Village and Springer are unrelated databases, indicating sloppy reuse or machine-translated content. Because the paper is a literature review with no original figures, tables, or statistical analyses, image and statistical integrity checks were not applicable. Confidence in the textual findings is high; overall confidence in a clean bill of integrity is moderate since deeper data checks are impossible.

Verdict

Suspicious (doubtful). No evidence of fabricated experimental data was found, but multiple low-level methodological-text errors raise concerns about the rigor and authenticity of the writing process. The absence of original experimental content limits the scope of verification.

Key findings

Misspelling of a major publisher: "Elsevier" is rendered as "ELSEVER" in the Chinese and English abstracts of the paper, while the corresponding URL is correctly given as sciencedirect.com.
Inconsistency between Chinese text and English abstract on searched databases:
English abstract lists "EI Village and ELSEVER" as the sources searched.
Chinese Methods section (1.1 资料来源) lists "Springer link数据库 and ELSEVER数据库".
EI Village (Engineering Village) and Springer Link are not the same database, indicating incoherent copying or machine translation without proofreading.
No original experimental data, figures, or statistical analyses were identified in the article, consistent with its review-article format.

Evidence highlights

Publisher name typo: "ELSEVER" appears in place of "Elsevier"; verbatim inconsistency across language versions of the abstract.
Database discrepancy: EI Village (Engineering Village 2) vs. Springer Link — these are distinct bibliographic databases (Engineering Information vs. Springer Nature).
Section 1.1 (资料来源): the Chinese methods text names Springer Link, conflicting with the English abstract.
DOI: 10.3969/j.issn.1673-8225.2011.30.028
Article type: literature review (no original Western blots, microscopy images, statistical tables, or p-values were present to evaluate).

Notes

All findings are textual; no image-manipulation, statistical, or data-fabrication checks were possible due to the review format. Marked accordingly to avoid over-interpretation.
The phrasing errors could plausibly arise from careless editing or machine translation rather than deliberate misconduct; however, their combination in a single publication suggests inadequate quality control.
Recommended follow-up (per original report): no contact with authors for raw data is needed; no formal complaint to the journal or institutional committee is warranted on the basis of these errors alone; a light critique on PubPeer regarding the spelling/database inconsistencies is optional.