title: [Problems of the prevention of chronic internal diseases].
authors.forename: N V
authors.initials: NV
authors.lastname: El'shteĭn
mesh_terms: D002908:Chronic Disease; D004957:Estonia; D006801:Humans; D007388:Internal Medicine / Q000639:trends*; D008403:Mass Screening / Q000458:organization & administration*; D011322:Primary Prevention / Q000639:trends*
vernacular_title: Voprosy profilaktiki khronicheskikh terapevticheskikh zabolevaniĭ.