Osteosclerosis and new bone formation in young onset and late onset rheumatoid arthritis according to rheumatoid factor seropositivity.
D000367:Age Factors; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000097:blood*; D001861:Bone Regeneration; D006801:Humans; D008875:Middle Aged; D010026:Osteosclerosis / Q000097:blood*; D012217:Rheumatoid Factor / Q000032:analysis*
D012217:Rheumatoid Factor