Effects of Green Tea Catechins and Theanine on Preventing Influenza Infection among Healthcare Workers: A Randomized Controlled Trial

Research article

Keiji Matsumoto^†, Hiroshi Yamada^*^†, Norikata Takuma^†, Hitoshi Niino^† and Yuko M Sagesaka^†

BMC Complementary and Alternative Medicine 2011, 11:15 doi:10.1186/1472-6882-11-15

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