title: The poor may always be with us but we don't know how many or where they are.
authors.forename: Roy
authors.initials: R
authors.lastname: Carr-Hill
mesh_terms: D015982:Bias; D019352:Censuses; D003625:Data Collection / Q000379:methods*; D054624:Health Status Disparities; D054625:Healthcare Disparities; D006801:Humans; D011203:Poverty / Q000706:statistics & numerical data*