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Author Question: At what week in pregnancy is an embryo now considered a fetus? (Read 28 times) |
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There are more bacteria in your mouth than there are people in the world.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.