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Pills Offer New Hope in Fight Against Yaws Scientists have found that a medicine taken in pill form is just as effective in treating the neglected tropical disease yaws as the usual treatment, a shot of penicillin. The easier-to-use therapy raises ne

发表于:2019-01-13 / 阅读(56) / 评论(0) 分类 VOA标准英语2012年(一月)