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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
The horizontal fraction bar was introduced by the Arabs.
The FDA recognizes 118 routes of administration.
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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