Asthma cases in Americans are about 75% higher today than they were in 1980.
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The average adult has about 21 square feet of skin.
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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
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There are 20 feet of blood vessels in each square inch of human skin.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
Theiler Staging Criteria for Mouse Embryo Development
The Rise of the Second American Party System, 1828
The urinary system: kidneys, ureters, bladder, and urethra.
Sagittal section of the female pelvis, showing organs of the reproductive system.