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Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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The average adult has about 21 square feet of skin.

The nitrogen cycle. The five main parts of the nitrogen cycle are: The nitrogen cycle. The five main parts of the nitrogen cycle are:
Spider main organs Spider main organs
Evolution of Stars Off the Main Sequence Evolution of Stars Off the Main Sequence
Burial caves from Mangaia, Cook Islands, document the changing patterns of mortuary ritual. Burial caves from Mangaia, Cook Islands, document the changing patterns of mortuary ritual.
Various views of the main body cavities. Various views of the main body cavities.
Two ways of treating blocked coronary arteries, the main cause of heart attacks in older adults. Two ways of treating blocked coronary arteries, the main cause of heart attacks in older adults.
Video: Inflammation and Fever

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