title: Microcytic anemia in rheumatoid arthritis. Relationship with activity and duration of the disease and iron status.
mesh_terms: D000368:Aged; D000747:Anemia, Hypochromic / Q000150:complications*; D001172:Arthritis, Rheumatoid / Q000150:complications*; D005260:Female; D005293:Ferritins / Q000097:blood; D006689:Hodgkin Disease / Q000097:blood; D006801:Humans; D008297:Male; D008875:Middle Aged; D013997:Time Factors
chemical_list: D005293:Ferritins