Citation:Yadav SP, Gera A, Singh I, Chanda R 2002
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Citation
Yadav SP, Gera A, Singh I, Chanda R. Serum selenium levels in patients with head and neck cancer. J Otolaryngol 2002 Aug;31(4):216-9 Available from: http://www.ncbi.nlm.nih.gov/pubmed/12240756.
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