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The horizontal fraction bar was introduced by the Arabs.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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