No abstract available
MeSH terms
-
Adult
-
Age Distribution
-
Arthritis, Rheumatoid / diagnosis*
-
Arthritis, Rheumatoid / epidemiology
-
Coal Mining*
-
Humans
-
Male
-
Middle Aged
-
Pneumoconiosis / diagnosis*
-
Pneumoconiosis / epidemiology
-
Pneumoconiosis / etiology
-
Prevalence
-
Rheumatoid Factor / blood*
-
Risk Assessment
-
Serologic Tests
-
Severity of Illness Index
-
Turkey / epidemiology