title: [Incidence and clinical importance of chronic focal infection in persons with internal diseases].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002908:Chronic Disease; D005260:Female; D005490:Focal Infection / Q000150:complications / Q000453:epidemiology*; D005491:Focal Infection, Dental / Q000453:epidemiology; D006801:Humans; D007388:Internal Medicine; D008297:Male; D008875:Middle Aged; D014586:USSR
vernacular_title: O rasprostranennosti i klinicheskom znachenii ochagov khronicheskoĭ infektsii u lits s vnutrennimi zabolevaniiami.