red cells from normal black subjects had more sod amount and activity than normal whites ( 1.77 u/mg hb and 2.96 micrograms/mg hb vs. 1.47 u/mg hb and 2.64 micrograms/mg hb , respectively ) or blacks with ss hb or other sickling hemoglobinopathies .
C0014792
red cells
C0019046
hb