Part of the variation has to do with differences in law from state to state.

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This genetic variation was found in the part of the genome that is responsible for the immune system.

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The study also finds a huge variation in readmissions from one part of the country to another, which suggests that, with the right motivation and tools, health systems can get a handle on this challenge.

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The term should be restricted to that part of the deposit where production planning is taking place and for which any variation in the estimate would not significantly affect potential economic viability.

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