Time dependence of the in vitro cytotoxicity of hexamethylmelamine and its metabolites.

Br J Cancer · 1980 · PMC2010283 · PMID 6770884

Europe PMC DOI

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closest p

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The sentences

highly significantno p-value reported

However, after 120 h incubation, concentrations of 0.1--10 micrograms/ml resulted in highly significant cytotoxicity.

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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.