title: Polysaccharide vaccines of group A Neisseria meningtitidis and Haemophilus influenzae type b: a field trial in Finland.
mesh_terms: D000367:Age Factors; D000907:Antibodies, Bacterial; D001428:Bacterial Vaccines / Q000008:administration & dosage / Q000009:adverse effects; D002675:Child, Preschool; D004341:Drug Evaluation; D005387:Finland; D006193:Haemophilus influenzae / Q000276:immunology*; D006801:Humans; D007117:Immunization, Secondary; D007223:Infant; D008581:Meningitis / Q000517:prevention & control*; D009345:Neisseria meningitidis / Q000276:immunology*; D011135:Polysaccharides, Bacterial / Q000276:immunology*; D014611:Vaccination
chemical_list: D000907:Antibodies, Bacterial; D001428:Bacterial Vaccines; D011135:Polysaccharides, Bacterial