the influence of antibody and complement on the polymorphonuclear leukocytic uptake and killing of type ii group b streptococci ( gbs ) was examined with 11 adult sera and three type ii strains possessing the trypsin-resistant and trypsin-sensitive components ( ii/tr+ts ) of the `` '' c '' '' ( formerly ibc ) protein or two type ii strains lacking both components ( ii/no c ) of the c protein .
C0009498
complement
C0229671
sera