Increase in stroke risk in patients with head and neck cancer: a retrospective cohort study.

Br J Cancer · 2011 · PMC3241541 · PMID 21915128

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showed a trendno p-value reported

Furthermore, patients with nasopharyngeal carcinoma showed a trend for higher risk for ischaemic stroke, whereas hypopharynx had a higher tendency for haemorrhagic stroke.

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