title: The meningococcal serogroup B vaccine protection trial in Norway 1988-1991: trial surveillance by an independent group.
authors.affiliation: Department of Pediatrics, Ullevål University Hospital, Oslo.
authors.forename: S
authors.initials: S
authors.lastname: Halvorsen
mesh_terms: D016907:Adverse Drug Reaction Reporting Systems / Q000592:standards; D016667:Bacterial Capsules; D001425:Bacterial Outer Membrane Proteins / Q000276:immunology; D001428:Bacterial Vaccines / Q000009:adverse effects* / Q000276:immunology / Q000592:standards; D017041:Ethics Committees / Q000458:organization & administration*; D006801:Humans; D022401:Meningococcal Vaccines; D009664:Norway; D011135:Polysaccharides, Bacterial / Q000276:immunology; D016032:Randomized Controlled Trials as Topic / Q000592:standards*
chemical_list: D001425:Bacterial Outer Membrane Proteins; D001428:Bacterial Vaccines; D022401:Meningococcal Vaccines; D011135:Polysaccharides, Bacterial; C039455:capsular polysaccharide, meningococcal group B