Separation of serum bactericidal and opsonizing activities for Haemophilus influenzae type b.

@article{Newman1973SeparationOS,
  title={Separation of serum bactericidal and opsonizing activities for Haemophilus influenzae type b.},
  author={Simon L. Newman and B Waldo and Richard B. Johnston},
  journal={Infection and immunity},
  year={1973},
  volume={8 3},
  pages={488-90}
}
When assay conditions permitted bacterial growth, immune serum had no bactericidal activity for Haemophilus influenzae but promoted rapid phagocytic killing of this organism by human leukocytes.