Does COPD risk vary by ethnicity? A retrospective cross-sectional study
Alexander Gilkes, Mark Ashworth, Peter Schofield, Timothy H Harries, Stevo Durbaba, Charlotte Weston, Patrick White Department of Primary Oven Select Switch Care and Public Health Sciences, Division of Health and Social Care Research, Kings College London, London, UK Background: Lower risk of COPD has been reported in black and Asian people, raisin