Biologic abnormalities were also found: 1) 25 patients have a microcytic hypochromic anemia which was iron-deficiency in 18 of them; 2) leukocytosis was shown in 21 patients with neutrophil predominance in 16 of them; 3) eosinophilia was found in 3 patients; 4) C-reactive protein (CRP) had a value between 5 and 360 mg/l with an average of 74; and 5) the detection of Mycobacterium tuberculosis and the tuberculin skin testing performed for 13 patients were negative in all cases. This evidence concerns the gene CRP and Iron deficiency anemia.