Orthodontic research output from iran in international and national journals.

J Dent (Tehran) · 2014 · PMC4037268 · PMID 24910678

Europe PMC

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The sentences

an increasing trendno p-value reported

An increasing trend in the number of publications is detected in this period, the total number of articles showing a 6.7-fold rise, more noticeable in international publications.

also in 63,971 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.