They are led by Dr David Smithard from the William Harvey Hospital in Ashford, Kent.

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Demand for emergency services at the William Harvey Hospital, Queen Elizabeth The Queen Mother Hospital and Kent and Canterbury Hospital has risen throughout the winter.

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The heart is just as much a product of evolution as the brain, yet William Harvey figured out how it works two centuries before natural selection was discovered.

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Circulation: William Harvey's Revolutionary Idea by Thomas Wright.

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Ferguson later chased Mr Harvey and William McKay in Tranent armed with a knife.

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