title: Relationship between anticapsular antibody and protective activity of a capsular antigen of Haemophilus paragallinarum.
mesh_terms: D000818:Animals; D000907:Antibodies, Bacterial / Q000032:analysis*; D000942:Antigens, Bacterial / Q000276:immunology*; D002645:Chickens / Q000382:microbiology*; D006190:Haemophilus / Q000276:immunology*; D006192:Haemophilus Infections / Q000662:veterinary; D007114:Immunization / Q000662:veterinary; D011201:Poultry Diseases / Q000382:microbiology
chemical_list: D000907:Antibodies, Bacterial; D000942:Antigens, Bacterial