title: Limitations and potential of country of birth as proxy for ethnic group.
authors.forename: Paramjit S
authors.initials: PS
authors.lastname: Gill
authors.forename: Raj
authors.initials: R
authors.lastname: Bhopal
authors.forename: Sarah
authors.initials: S
authors.lastname: Wild
authors.forename: Joe
authors.initials: J
authors.lastname: Kai
mesh_terms: D019352:Censuses; D005006:Ethnicity / Q000706:statistics & numerical data*; D006801:Humans