Selection of an in vitro carcinogenicity test for derivatives of the carcinogen hexamethylphosphoramide.

Br J Cancer · 1977 · PMC2025387 · PMID 337998

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The sentences

may be significantno p-value reported

In this con- nection, it may be significant that the primary tumours observed in the rat inhalation study occurred in the imme- diate nasal region.

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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.