Figure 1. Anti-CA I (A) and anti-CA II (B) antibodies in sera of patients with acute myeloid leukemia and healthy controls. The dotted line indicates plus 3 SD of health control sera (A₄₈₀=0.146 ABSU for anti-CA I antibody, A₄₈₀=0.151 for anti-CA II antibody). ABSU: Absorbance units, SD: standard deviation, CA: carbonic anhydrase.