1) Witte DA : Laboratory tests to confirm or exclude iron deficiency. Lab Med 16 : 671-675, 1985
2) Christensen DJ : Differentiation of iron deficiency and the anemia of chronic disease. J Fam Pract 20 : 35-39, 1985
3) Vreugdenhil G, Baltus CA, van-Eijk HG, et al : Anaemia of chronic disease : diagnostic significance of erythrocyte and serological parameters in iron deficient rheumatoid arthritis patients. Br J Rheumatol 29 : 105-110, 1990
4) Beck JR, Cornwell III GG, French EE, et al : The iron screen : modification of standard laboratory practice with data analysis. Hum Pathol 12 : 118-126, 1981
5) Witte DL, Dick F, Goeken J, et al : C reactive protein (CRP) aids interpretation of serum ferritin (FRTN). Clin Chem 31 : 1011, 1985