title: Citation figures suggest that the UK brain drain is a genuine problem.
authors.forename: A S
authors.initials: AS
authors.lastname: Pierson
authors.forename: P
authors.initials: P
authors.lastname: Cotgreave
mesh_terms: D015706:Bibliometrics; D004641:Emigration and Immigration; D012106:Research; D012108:Research Personnel; D006113:United Kingdom; D014481:United States