A study on histological grading of oral squamous cell carcinoma and its co-relationship with regional metastasis.

J Oral Maxillofac Pathol · 2011 · PMC3329698 · PMID 22529575

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a decreasing trendno p-value reported

It projected a decreasing trend of case's concentration and increasing trend of existence of palpable lymph node metastasis along with incremental grading.

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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.