1. Receptors for complement on echinoid phagocytes. I. The opsonic effect of vertebrate sera on echinoid phagocytosis;Bertheussen;Dev. Comp. Immunol.,1981
2. Receptors for complement on echinoid phagocytes. II. Purified human complement mediates echinoid phagocytosis;Bertheussen;Dev. Comp. Immunol.,1981
3. Complement and complement-like activity in lower vertebrates and invertebrates;Day;J. Exp. Med.,1970
4. “C 3 proactivator” in starfish hemolymph;Day,1972
5. Specific hemagglutinin and a modulator of complement in cockroach hemolymph;Anderson;Infect. Immun.,1972