Age related extracellular matrix and interstitial cell phenotype in pulmonary valves.

Sci Rep · 2020 · PMC7721746 · PMID 33288823

Europe PMC DOI

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a decreasing trendno p-value reported

reported that the collagen concentrations in human AV, MV, and TV showed a decreasing trend from age group of 20–30 to age group of 80 35 .

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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.