The retracted studies mar hope for the drug’s use in depression.

The paper used more than two dozen such terms, which have cropped up in thousands of published papers in recent years.

An anonymous tipster has been sifting through the papers of Jia Liu and his team.

Elsevier’s retractions focus on peer review and conflicts of interest.

The study, which investigated a microRNA’s links to autism, appears to contain duplicated and fabricated data, according to research integrity analysts. Those issues reflect a larger problem in the literature.

Previous Spectrum reporting called out this paper and several others — all on unrelated subjects — that mysteriously cite autism papers.

A failed replication and other problems led autism researcher Beth Stevens and her co-investigator to retract the nearly 10-year-old report.

Autism studies are appearing in the reference lists of entirely unrelated papers, suggesting what a few scholars worry is a plot to manipulate citations.

Researchers requested the retraction of their study linking low vitamin A levels to sleep troubles in autistic children after discovering “fundamental errors” in their data.

One family paid more than $7,000 for their child to participate in a small clinical trial in Panama. The trial’s lead author did not disclose that detail.