In vitro fertilization: a potential means for toxicity testing.

Environ Health Perspect · 1978 · PMC1637203 · PMID 17539157

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

highly significantno p-value reported

However, upon comparison of proportions of fertilized ova developing to at least the four-cell stage within the incubation interval highly significant differences were apparent.

also in 132,142 other papers

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.