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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Asthma cases in Americans are about 75% higher today than they were in 1980.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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