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Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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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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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

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Fourier series - Complex Waves: Non-sinusoidal wave patterns Fourier series - Complex Waves: Non-sinusoidal wave patterns
A typical port fuel-injected system showing a vacuum-controlled fuel-pressure regulator. A typical port fuel-injected system showing a vacuum-controlled fuel-pressure regulator.
Three series of overlapping deletions in the A cistron of the rII locus Three series of overlapping deletions in the A cistron of the rII locus
Video: Structures that affect circulation - heart and systolic/diastolic BP

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