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The horizontal fraction bar was introduced by the Arabs.
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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
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There are approximately 3 million unintended pregnancies in the United States each year.