Little Mark P, Wakeford Richard, Tawn E Janet, Bouffler Simon D, Berrington de Gonzalez Amy
Department of Epidemiology and Public Health, Imperial College Faculty of Medicine, St Mary's Campus, Norfolk Place, London W2 1PG, England.
Radiology. 2009 Apr;251(1):6-12. doi: 10.1148/radiol.2511081686.