[Chronic rheumatism in transportation workers of the G. Dimitrov railroad plant].
D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000453:epidemiology*; D006801:Humans; D011890:Railroads; D012216:Rheumatic Diseases
ARTHRITIS, RHEUMATOID/epidemiology
Khronichniiat revmatizum u transportnite rabotnitsi pri lokomotivovagonniia zavod G. Dimitrov.