1. C3 shunt activation in human serum chelated with EGTA;Fine D. P.;J. Immunol.,1972
2. Opsonic activity in human sera chelated with ethylene glycotetracetic acid;Forsgren A.;Immunology,1974
3. Studies on heat-labile opsonin in rabbit serum;Hirsch J. G.;J. Immunol.,1964
4. Human heat-labile opsonins: evidence for their mediation via the alternate pathway of complement activation;Jasin H. E.;J. Immunol.,1972
5. Opsonic activity in human serum deficient in C2;Johnston F. R.;J. Immunol.,1972