the effect of sub-mics of netilmicin and ceftriaxone on the interaction between encapsulated and unencapsulated strains of escherichia coli and certain host defence mechanisms , i.e . complement activation , opsonization , phagocytosis by human polymorphonuclear leucocytes ( pmn ) , and serum bactericidal activity have been studied .
C0520990
host
C0031308
phagocytosis