Multicenter, Prospective, Randomized, Single Blind, Cross-Over Study on the Effect of a Fixed Combination of Citicoline 500 mg Plus Homotaurine 50 mg on Pattern Electroretinogram (PERG) in Patients With Open Angle Glaucoma on Well Controlled Intraocular Pressure.

Front Med (Lausanne) · 2022 · PMC9106378 · PMID 35572982

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a reliable trendno p-value reported

However, it should be kept in mind that any variation on visual field changes requires several years of observations to establish a reliable trend as reported in the work of Krupin et al.

also in 88 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.