title: [Prevalence of rheumatoid poly-arthritis on the Sarema Island (Estonian SSR)].
mesh_terms: D000328:Adult; D001172:Arthritis, Rheumatoid / Q000175:diagnosis / Q000453:epidemiology*; D002648:Child; D004957:Estonia; D005260:Female; D006801:Humans; D008297:Male; D012744:Sex Ratio
vernacular_title: O raspostranenii revmatoidnogo poliartrita na ostrove Sarema Estonskoĭ SSR