red cell sod activity showed a progressive fall from 263.1 +/- 30.5 units/mg non-hemoglobin protein ( nhp ) in infants of less than 29 weeks of gestation to 168.9 +/- 21.3 units/mg nhp in infants of more than 36 weeks of gestation ( p less than 0.05 ) .
C0014792
red cell
C0019046
nhp