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Author Question: The positioning indicating device (PID) is sometimes called a "cone" because the PID of early dental ... (Read 38 times) |
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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.