Shapo Laidon, Kessel Anthony, Lee Kerry, Murray David, Fahey Daragh, Luck Maggie, Lister Doris, McGinley Patrick, Pacini Margaret
Department of Public Health, Camden Primary Care Trust, St Pancras Hospital, London, UK.
Public Health. 2008 Mar;122(3):322-5. doi: 10.1016/j.puhe.2007.05.010. Epub 2007 Sep 6.