GSTM1 and autoimmune hemolytic anemia: The first patient with autoimmune hemolytic anemia (Ht: 30%, Hb: 9.4 g/dL) improved at 1 yr (Ht: 37.8%, Hb: 12.8 g/dL), but relapsed afterwards (Ht: 27%, Hb: 8.4 g/dL).