1. Antibacterial activity of Phascolosoma gouldii blood;Bang;Biol. Bull.,1958
2. Lack of a bactericidal response in the earth-worm Lumbricus terrestris after immunization with bacterial antigens;Cooper;J. Invest. Pathol.,1969
3. Comparative immunology of sipunculid coelomic fluid;Cushing;J. Invert. Pathol.,1969
4. Further studies on an antibacterial factor in the blood of Phascolosoma gouldii;Krassner;Biol. Bull.,1963