One-year outcomes of conventional and accelerated collagen crosslinking in progressive keratoconus.

Sci Rep · 2015 · PMC4585888 · PMID 26404661

Europe PMC DOI

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a decreasing trendno p-value reported

observed a decreasing trend in Young’s modulus with increasing irradiances, reaching no statistically significant difference between the 18 mW/cm 2 and the control group.

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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.