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Jess Gauntley's family welcomes tumour drug delivery research

15 November 2013 Last updated at 16:56 GMT

The family of Derbyshire teenager Jess Gauntley, who died from a brain tumour, has welcomed new research which it is hoped will improve survival rates.

Scientists at the University of Nottingham have developed a way of delivering chemotherapy drugs directly to the brain cells of cancer patients.