"While this internal review process is occurring, we cannot comment regarding investigative details, " FBI spokesman Paul Bresson said Wednesday.

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Mrs McGrath said she had not been involved in any internal review process, adding that she was not surprised by this as there was, as she thought, no issue around the surgery.

BBC: Hyponatraemia inquiry: Nurses giving evidence

How much inspiration does the annual budgeting process, the latest internal control or your most recent performance review invoke?

FORBES: Throw Out Your Plans for 2013. Business Is a Journey.