title: Studies on protective effect of O and K antibodies against E. coli bacteria with regard to the immunoglobulin class.
mesh_terms: D000818:Animals; D004927:Escherichia coli Infections / Q000276:immunology*; D007106:Immune Sera; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D051379:Mice; D011817:Rabbits
chemical_list: D007106:Immune Sera; D007074:Immunoglobulin G; D007075:Immunoglobulin M