Endoscopist specialty is associated with high-quality endoscopy in Korea.

Yonsei Med J · 2012 · PMC3282978 · PMID 22318818

Europe PMC DOI

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may be significantno p-value reported

As there may be significant differences in the clinical outcomes and performances among endoscopists, 10 gastrointestinal endoscopies should be performed by qualified endoscopists.

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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.