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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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