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Author Question: Incidence and prevalence studies determine the kinds and numbers of disease cases and also the ... (Read 138 times) |
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The horizontal fraction bar was introduced by the Arabs.
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Excessive alcohol use costs the country approximately $235 billion every year.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).