No abstract available
MeSH terms
-
Arthritis, Rheumatoid / blood
-
Arthritis, Rheumatoid / epidemiology*
-
Arthritis, Rheumatoid / ethnology
-
Blood Sedimentation
-
C-Reactive Protein / metabolism
-
Finland / epidemiology
-
Humans
-
Incidence
-
Rheumatoid Factor / blood
-
United States / epidemiology
Substances
-
C-Reactive Protein
-
Rheumatoid Factor