title: [Incidence of infectious nonspecific polyarthritis in a region of Arkhangel'sk].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008875:Middle Aged; D012426:Russia
vernacular_title: Rasprostranenie infektsionnogo nespetsificheskogo poliartrita v odnom iz raĭonov Arkhangel'ska.