Creţescu, L The specificity of serum antibodies to the haemagglutinin of influenza B viruses induced by vaccination. [electronic resource] - Archives roumaines de pathologie experimentales et de microbiologie - 27-33 p. digital Publication Type: Journal Article ISSN: 0004-0037 Subjects--Topical Terms: AdolescentAntibodies, Viral--analysisAntibody SpecificityChildChild, PreschoolCross ReactionsHemagglutination Inhibition TestsHemagglutinins, Viral--immunologyHemolytic Plaque TechniqueHumansInfantInfluenza A virus--immunologyInfluenza Vaccines--immunologyMiddle AgedTime FactorsVaccines, Attenuated--immunology