Periostin contributes to the maturation and shape retention of tissue-engineered cartilage.

Sci Rep · 2018 · PMC6060118 · PMID 30046126

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showed a trendno p-value reported

A tumor formed in Pn −/− mice had a capsule in which fibrous tissue was poorly formed and showed a trend toward expansion.

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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.