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Author Question: Until about 125 years ago, each town or area went by local time determined by shadows cast by the ... (Read 21 times) |
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
A freshly applied autograft. Note that the donor skin has been perforated so that it can be stretche
The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim