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gai sheng ming zhi lian
Pages: 65
Year: Issue:  1
Journal: Window of The Northeast

Abstract: 钙是人类生命活动和各种生理活动的重要元素。东方人缺钙,中国人更缺钙。这一点,几乎被所有稍有科学常识的人们所认同。因此,科学补钙已经成为国人的国民意识。难怪有专家一再呼吁:中国人应该把补钙提到“议事
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