title: People in richest countries live 23 years longer than those in poorest, finds WHO.
authors.forename: John
authors.initials: J
authors.lastname: Zarocostas
mesh_terms: D019049:Developed Countries; D003906:Developing Countries; D005260:Female; D014943:Global Health; D006801:Humans; D008017:Life Expectancy; D008136:Longevity; D008297:Male