Serum α-tocopherol and γ-tocopherol concentrations and prostate cancer risk in the PLCO Screening Trial: a nested case-control study.

PLoS One · 2012 · PMC3390343 · PMID 22792240

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marginally significantno p-value reported

The latter combined subgroup showed a marginally significant dose-risk trend for serum α-tocopherol.

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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.