mr mcgurgan found that one nurse had added to her original account of what had happened on the ward on the morning of july 16, 2016 to state that "the cot sides were up".
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"there may be subtle differences (between animals and humans) that we don't know about," klein said.
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mrs cavanagh, from foyle park in londonderry, had a complex medical history of chronic heart and renal failure.
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