Effects of zinc sulfate supplementation on cell-mediated immune response in head and neck cancer patients treated with radiation therapy.


Zinc deficiency is an important factor that impairs cellular immunity and contributes to low T lymphocyte counts in head and neck cancers. Persistent T lymphopenia is clinically relevant in terms of tumor persistence and/or recurrence. The primary objective was to evaluate the impact of zinc sulfate supplementation on the absolute numbers of circulating T… (More)
DOI: 10.1080/01635581.2015.1004735


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