Ronan A Lyons , Elizabeth E Towner , Denise Kendrick , Nicola Christie , Sinead Brophy , Ceri J Phillips , Carol Coupland , Rebecca Carter , Lindsay Groom , Judith Sleney , Phillip Adrian Evans , Ian Pallister and Frank Coffey
BMC Public Health 2007, 7:317doi:10.1186/1471-2458-7-317