Mammographic density and prognosis in primary breast cancer patients.

Breast · 2021 · PMC8237359 · PMID 34157655

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a statistical trendno p-value reported

Earlier results published by our research group showed a negative association between MD and ER expression and a statistical trend toward a positive relation between MD and PR expression [ 19 , 36 ].

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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.