per 100 ml. Serum and urine osmolalities were determined by the method of freezing-point depression using a Fiske osmometer except in some cases in which serum osmolality was calculated.

A solicitor representing the family of a nine-year-old girl who died from hyponatraemia has said a new inquest will be "an opportunity for truth". Raychel Ferguson, from Londonderry, died at the ...