title: [Serological affinity between H. pertussis and H. parapertussis].
authors.forename: B
authors.initials: B
authors.lastname: PACCAGNELLA
mesh_terms: D001886:Bordetella pertussis; D006801:Humans; D014917:Whooping Cough
vernacular_title: Affinità sierologiche tra H. pertussis ed H. parapertussis.