title: A new year, a new era: Romania and Bulgaria join the European Union.
authors: Martin
authors: M
authors: McKee
authors: Dina
authors: D
authors: Balabanova
authors: Andreea
authors: A
authors: Steriu
mesh_terms: D002031:Bulgaria / Q000453:epidemiology; D005061:Europe, Eastern / Q000453:epidemiology; D005062:European Union; D019456:Health Transition; D006801:Humans; D008017:Life Expectancy / Q000639:trends; D009026:Mortality / Q000639:trends; D011634:Public Health / Q000191:economics* / Q000639:trends; D012383:Romania / Q000453:epidemiology; D012959:Socioeconomic Factors