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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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The horizontal fraction bar was introduced by the Arabs.
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Everyone has one nostril that is larger than the other.