In February 2010 a court ruling set a new precedent for asbestosis claims. The case, in which widow Della Sabin attempted to claim compensation following her husband's death from asbestosis, hinged on the issue of how many asbestos fibers must be present in the lungs for a claim to be valid. A research team based at Llandough Hospital initially reported that the minimum amount of fibers that needed to be present for a claim to be valid was 20 million (only 7 million were found in the sample taken from Mrs Sabin's husband Leslie). However, a subsequent US study suggested that, due to the fact that Leslie had lived for more than forty years after his exposure, a large number of fibers would have cleared from his body naturally; had he died twenty years earlier the asbestos count in his lungs would have been about 35 million fibers per gram. The judge preferred this evidence, and ruled in favor of Mrs Sabin.