initially , deficiency was documented by comparing both plasma selenium levels in patients ( means = 0.035 micrograms/g ) to those of 10 controls ( means = 0.117 micrograms/g ) ( p less than 0.001 ) and by comparing erythrocyte glutathione peroxidase ( gshpx ) activity , as mumol nadph oxidized/g hb/min , in patients ( means = 8.93 ) to controls ( means = 31.76 ) ( p less than 0.002 ) .
C0014792
erythrocyte
C0019046
hb