Vaccines prevent between 2.5 and 4 million deaths every year.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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There are 20 feet of blood vessels in each square inch of human skin.
Interventions to promote safety for children
Colonial Trade with England, 1700–1774
New Yorkers flee from the dust caused by the collapse of the twin towers of the World Trade Center f
In this cartoon, Boss Tweed welcomes cholera—a skeletal figure of death carrying a handbag from “Asi
Multigroove adjustable pliers are known by many names, including the trade name Channel Locks®.