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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

A lunar transit of the Sun captured during calibration of STEREO B's ultraviolet imaging camera A lunar transit of the Sun captured during calibration of STEREO B's ultraviolet imaging camera
L. Frank Baum, author of The Wonderful Wizard of Oz (1900) and a fan of William Jennings Bryan, perh L. Frank Baum, author of The Wonderful Wizard of Oz (1900) and a fan of William Jennings Bryan, perh
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A gasoline direct-injection system injects fuel under high pressure directly into the combustion ... A gasoline direct-injection system injects fuel under high pressure directly into the combustion ...
Model of how direct repeats generated during the insertion of a transposon or an insertion sequence Model of how direct repeats generated during the insertion of a transposon or an insertion sequence
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Video: Pasteur's Experiment

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