Nature of anaemia in rheumatoid arthritis.  III.  Changes in the bone marrow and their relation to other features of the disease.
D000740:Anemia; D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000473:pathology*; D001853:Bone Marrow; D006801:Humans
ARTHRITIS, RHEUMATOID/pathology; BONE MARROW