HPV16 E6/E7 expression in circulating tumor cells in oropharyngeal squamous cell cancers: A pilot study.

PLoS One · 2019 · PMC6508656 · PMID 31071126

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did not reach statistical significanceno p-value reported

Although patients with HPV+ tumors with detectable pre-treatment levels of circulating HPV DNA had worse PFS, this difference did not reach statistical significance [ 27 ].

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