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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Illicit drug use costs the United States approximately $181 billion every year.
The FDA recognizes 118 routes of administration.
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