Folic acid activity of serum in rheumatoid arthritis.
D000293:Adolescent; D000328:Adult; D001172:Arthritis, Rheumatoid; D001769:Blood; D005260:Female; D005492:Folic Acid; D006801:Humans; D066298:In Vitro Techniques; D008297:Male; D008875:Middle Aged
D005492:Folic Acid