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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
In 1864, the first barbiturate (barbituric acid) was synthesized.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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