title: [Comparative results of the study of early stage of rheumatoid arthritis].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001172:Arthritis, Rheumatoid / Q000175:diagnosis*; D005260:Female; D005387:Finland; D006801:Humans; D007391:International Cooperation; D008297:Male; D008875:Middle Aged; D012744:Sex Ratio; D013997:Time Factors; D014586:USSR
vernacular_title: Sravnitel'nye rezul'taty izucheniia ranneĭ stadii revmatoidnogo artrita.