But a recent study by Catalyst for Payment Reform found that only 11 percent of payments to hospitals or doctors are in any way dependent on good quality or safety.

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Originally the San Francisco researchers had hoped to do a comparative study of different agencies' programmes, but for this project only Compassion chose to take part.

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Corey's record shows she chooses cases based not only on possibility for success at trial, but also "wherever charges seem warranted, " the study says.

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Scientists have had only 20 years to study the mysterious virus but it is probably been lurking in the African jungle for millions of years.

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But though he has nothing but praise for the way the study was conducted and reported, he notes that this statistical significance is only borderline.

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The work not only gives evidence of the potential of self-organisation in metamaterial creation, but could also have implications for the study of new types of optical devices.

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Two areas where we are particularly interested in working together is on the issue of climate change, where we are helping to create a climate change study center in Indonesia that I think can provide enormous support for not only studies there but also in the region and around the world.

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It promotes school choice, but only within the public school system, and notes that no other government in the study has followed the American model for reform.

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But a study last year by the Audit Commission suggested that only half of GPs believed it was important to look for the signs of dementia, because it is incurable.

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