The effects of a dopamine agonist (apomorphine) on experimental and spontaneous pain in patients with chronic radicular pain: A randomized, double-blind, placebo-controlled, cross-over study.

PLoS One · 2018 · PMC5886417 · PMID 29621293

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

showed a trendno p-value reported

In the most painful site, apomorphine showed a trend for prolonging the tolerance to cold induced pain, but had no effect on cold pain threshold.

also in 53,322 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.