title: Capsular antigens noncovalently or covalently associated with protein as vaccines to Haemophilus influenzae type b: comparison in two-year-old children.
mesh_terms: D000907:Antibodies, Bacterial / Q000032:analysis*; D000954:Antigens, Surface / Q000276:immunology; D001426:Bacterial Proteins / Q000276:immunology; D001428:Bacterial Vaccines / Q000276:immunology*; D002675:Child, Preschool; D006193:Haemophilus influenzae / Q000276:immunology*; D006801:Humans; D008565:Membrane Proteins / Q000276:immunology; D011134:Polysaccharides / Q000276:immunology*; D014611:Vaccination
chemical_list: D000907:Antibodies, Bacterial; D000954:Antigens, Surface; D001426:Bacterial Proteins; D001428:Bacterial Vaccines; D008565:Membrane Proteins; D011134:Polysaccharides; C008984:polyribitol phosphate