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The horizontal fraction bar was introduced by the Arabs.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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Cyanide works by making the human body unable to use oxygen.