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The horizontal fraction bar was introduced by the Arabs.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
There are 20 feet of blood vessels in each square inch of human skin.
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