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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

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IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

A black first-generation Labrador/Poodle cross puppy (informally referred to as a Labradoodle) only A black first-generation Labrador/Poodle cross puppy (informally referred to as a Labradoodle) only
Examples of four different types of cells from the body. Although each cell has a cell membrane, nuc Examples of four different types of cells from the body. Although each cell has a cell membrane, nuc
Squamous cell carcinoma Squamous cell carcinoma
Squamous cell carcinoma. Squamous cell carcinoma.
The flow of genetic information in a typical cell The flow of genetic information in a typical cell
Sites of referred pain Sites of referred pain
Video: baroreceptors

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