[The incidence of rheumatoid arthritis and osteoarthrosis in the Bulgarian People's Republic (preliminary report].
D000293:Adolescent; D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000453:epidemiology*; D002031:Bulgaria; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010003:Osteoarthritis / Q000453:epidemiology*
Rasprostranenie revmatoidnogo artrita i osteoartrozov v Narodnoĭ Respublike Bolgarii (predvarotel'noe soobshchenie)