Serum oestradiol in women with and without breast disease.

Br J Cancer · 1990 · PMC1971338 · PMID 2393409

Europe PMC DOI

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may be significantno p-value reported

The presence of elevated proportions of free oestradiol in the serum of women with breast cancer may be significant in regard to understanding the aetiology of breast neoplasia.

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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.