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2. The anaemia of chronic disorders: a bag of unsolved questions;Hansen, N.E.;ScandJ Haematol,1983
3. Anaemia in rheumatoid arthritis: the role of iron, vitamin B12, and folic acid deficiency, and erythropoietin responsiveness;Vreugdenhil, G.; Wognum, A.W.; Van Eijk, H.G.; Swaak, A.J.;Ann Rheum Dis,1990
4. Course and characteristics of anaemia in patients with rheumatoid arthritis of recent onset;Peeters, H.R.M.; Jongen-Lavrencic, M.; Raja, A.N.; Ramdin, H.S.; Vreugdenhil, G.; Breedveld, F.C.;Ann Rheum Dis,1996
5. The anaemia of chronic disorders;Cartwright, G.E.; Lee, G.R.;BrJ Haematol,1971