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The horizontal fraction bar was introduced by the Arabs.
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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Excessive alcohol use costs the country approximately $235 billion every year.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.