Early gastric cancer in Korea.

Korean J Intern Med · 1989 · PMC4534974 · PMID 2487407

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a definite trendno p-value reported

In the initial stages of the classification, it was difficult to demonstrate a definite trend in early gastric cancer because of insufficient number of cases, lack of consistency in the interpretation, and the method application of the new classification.

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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.