Impaired retinal microcirculation in patients with Alzheimer's disease.

PLoS One · 2018 · PMC5796702 · PMID 29394263

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a decreasing trendno p-value reported

While the blood flow and velocity showed a decreasing trend from CN to MCI and AD, no such trend of GCIPL thinning was evident in the present study.

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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.