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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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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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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

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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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Medication errors are more common among seriously ill patients than with those with minor conditions.

Comparison of the steps of two viral reproductive cycles. Comparison of the steps of two viral reproductive cycles.
tree-ring data tree-ring data
Meningocele. (a) A meningocele is a herniation of the meninges, usually associated with the spinal c Meningocele. (a) A meningocele is a herniation of the meninges, usually associated with the spinal c
Diffusion: A Comparison Diffusion: A Comparison
Posterior column—medial lemniscus pathway Posterior column—medial lemniscus pathway
Which of the following unit factors is not related to a 0.100 M NaBr solution? A Which of the following unit factors is not related to a 0.100 M NaBr solution? A
Video: Wound Cultures

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