When it came to the Gardners though, there was a bit of a problem.

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Alex Neil's words of caution came after Tory MSP Murdo Fraser said there was an endemic problem with the administration of data from NHS boards.

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"There was an inquiry into absenteeism in 2005 and it came up with general solutions, but the problem was not corrected and so a second inquiry last year came up with radical options, " Mr Walker added.

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Almost two years later he came up against another problem for which there seemed no solution, and once again, he remembered the envelopes.

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Part of the decline came from generic competitors taking market share away from some of the company's top sellers, but there was another problem.

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