锌等三十几种对人体有益的稀土和微量元素。中国中医研究院针灸研究所开展的检测也表明：
O O O O O O O O O O O O O O O O O O O O B-organization I-organization I-organization I-organization I-organization I-organization I-organization I-organization I-organization I-organization I-organization I-organization O O O O O O O O O