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Author Question: When selecting an identifier, one should: A) use intelligent keys. B) use large composite keys ... (Read 63 times) |
Did you know?
Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.
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The human body produces and destroys 15 million blood cells every second.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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There are more sensory neurons in the tongue than in any other part of the body.