Prevalence and genotype distribution of human papillomavirus infection among women in northeastern Guangdong Province of China.

BMC Infect Dis · 2018 · PMC5934871 · PMID 29724192

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an increasing trendno p-value reported

It is obviously that there is an increasing trend of HPV positivity, as well as HR and LR HPV infections during this period.

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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.