title: [Infectious nonspecific (rheumatoid) polyarthritis in one of the districts of Yaroslavl].
mesh_terms: D001172:Arthritis, Rheumatoid / Q000453:epidemiology*; D006801:Humans; D012426:Russia
vernacular_title: Ob infektsionnom nespetsificheskom (revmatoidnom) poliartrite v odnom iz raĭonov Iaroslavlia.