Tài liệu Vitamin
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Vitamin là nhóm chất thiết yếu trong khẩu phần được phát hiện sau cùng. Năm 1897, bác sĩ Ekfkman người Hà lan đã chứng minh ở java rằng bệnh Beriberi, một bệnh rất phổ biến
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Nội dung Text: Tài liệu Vitamin
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