mrs cavanagh, from foyle park in londonderry, had a complex medical history of chronic heart and renal failure..
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treatment delays are also causing needless anxiety and distress to patients as well as putting lives at serious risk..
friday, may 18, 2018 .
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"if the battery in a mechanical mod over-discharges and the device doesn't contain enough air holes to allow the battery to vent, there is a risk of explosion.".