Study protocol of the Center for Oral Health Research in Appalachia (COHRA) etiology study.

BMC Oral Health · 2008 · PMC2443132 · PMID 18522740

Europe PMC DOI

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may be significantno p-value reported

Moreover, poor availability, difficult access, and reluctance to utilize oral health services, even those publicly funded, may be significant barriers to the adoption of oral health behaviors that prevent disease.

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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.