The role of fibrocytes in sickle cell lung disease.

PLoS One · 2012 · PMC3307761 · PMID 22442712

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did not reach statistical significanceno p-value reported

Although circulating CXCL12 was higher in patients with SCD compared to controls, this did not reach statistical significance.

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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.