Effects of sildenafil on autonomic nervous function during sleep in obstructive sleep apnea.

Clinics (Sao Paulo) · 2010 · PMC2862674 · PMID 20454497

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a clear trendno p-value reported

A clear trend toward a decrease in Δ LF/HF was also observed in REM sleep after sildenafil ( Figure 1 ).

also in 19,460 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.