[On a study of the occurrence of infectious nonspecific polyarthritis].
D000293:Adolescent; D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D009031:Moscow; D012217:Rheumatoid Factor; D012737:Sex Factors
D012217:Rheumatoid Factor
K izucheniiu rasprostraneniia infektsionnogo nespetsificheskogo poliartrita.