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Author Question: A cross-sectional study investigates people of different __________ at the same point in time. (Read 205 times) |
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There are approximately 3 million unintended pregnancies in the United States each year.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.