title: [Increasing number of diphtheria cases in Russia and Latvia].
authors: T
authors: T
authors: Linglöf
mesh_terms: D004165:Diphtheria / Q000453:epidemiology*; D006801:Humans; D007844:Latvia / Q000453:epidemiology; D012426:Russia / Q000453:epidemiology
vernacular_title: Difterifallen ökar i Ryssland och Lettland.