Autism spectrum disorders, endocrine disrupting compounds, and heavy metals in amniotic fluid: a case-control study.

Mol Autism · 2019 · PMC6327542 · PMID 30647876

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a decreasing trendno p-value reported

Similarly, a decreasing trend for PFOA serum concentrations has also been observed in several studies, indicating that exposure pathways of these two compounds are historically linked [ 79 , 80 ].

also in 47,180 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.