in-vitro studies of superoxide ( o-2 ) anion production by blood monocytes after stimulation with either serum treated zymosan ( stz ) , igg treated zymosan ( iggtz ) , or fluoride ion ( f- ) were performed on cells from normal controls ( n = 22 ) and patients with classical or definite rheumatoid arthritis ( ra ) ( n = 35 ) .
C0003075
anion
C0016327
f