While preliminary findings from such companies as Geron and Nexell hold promise, the field is still in its infancy.

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Also on last Friday, industrial production declined a bit, while the preliminary reading on consumer sentiment from the University of Michigan was up sharply to 76.3.

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For example, in Scotland, the leukaemia drug Glivec is available, while a preliminary verdict from NICE suggests that it could be restricted to fewer patients in England and Wales.

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