[APROPOS OF THE INCIDENCE OF PROGRESSIVE ARTHRITIS. (EPIDEMIOLOGICAL STUDY)].
D001168:Arthritis; D001172:Arthritis, Rheumatoid; D016021:Epidemiologic Studies; D004813:Epidemiology; D006801:Humans; D015994:Incidence; D009017:Morbidity
ARTHRITIS, RHEUMATOID; EPIDEMIOLOGY; MORBIDITY
K OT'AZKE PREVALENCIE PROGRES'IVNEJ ARTRIT'IDY. (EPIDEMIOLOGICK'A  ST'UDIA)