Hussey built his innings more steadily, but both men were helped by Dhoni's decision to pull Harbhajan out of the attack just as he was beginning to cause Katich some difficulties.

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If this could not be achieved, he told the same programme, the British public would have to consider whether they wanted to remain in the EU, adding that while withdrawal would cause "some difficulties" he believed they could be overcome.

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The relatively small size of the study means that some experts are likely to remain unconvinced that such apparently minor birth complications could cause such obvious difficulties later on.

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