But this free ride will end by 2006, when India and other more advanced developing countries must abide by TRIPS and enforce drug patents.

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Still, Syria was the central focus of the nearly two-hour meeting, which took place at the sprawling Mexican resort hotel where Mr. Obama stayed, just before the official start of the Group of 20 Summit of advanced and developing countries.

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There are those advanced nations who think that developing countries either cannot absorb this assistance, or that will not be held accountable effectively, and that the world's fastest-growing emitters should bear a greater share of the burden.

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Traffic to his site reached 125, 000 page views in September, some of it from readers in developing countries without access to advanced university courses.

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It thinks its knowledge of advanced mobile networks will prove useful in developing countries in Asia, where such networks are just about to be introduced.

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Businesses are developing products such as advanced filtration systems for sale in countries where water isn't just scarce, but also polluted.

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