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In 1864, the first barbiturate (barbituric acid) was synthesized.

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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Lake position in the landscape and proportion of water received as groundwater (data from Webster et Lake position in the landscape and proportion of water received as groundwater (data from Webster et
Thyroid scan. The right image is the data from a thyroid scan, printed on a superimposed map of the Thyroid scan. The right image is the data from a thyroid scan, printed on a superimposed map of the
The Pleiades, an open cluster of stars in the constellation of Taurus. These stars share a common mo The Pleiades, an open cluster of stars in the constellation of Taurus. These stars share a common mo
Examples of open and closed ended questons Examples of open and closed ended questons
Open the outlet valve on the canister. Open the outlet valve on the canister.
A. Open portable massage table on its side. B. Straighten out legs completely and check that leg ... A. Open portable massage table on its side. B. Straighten out legs completely and check that leg ...
Video: Cardiac Cycle (Part 4 of 4)

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