title: Challenging mucosal immunity with bacterial extracts to prevent respiratory infections: an old therapy revisited.
authors.forename: M
authors.initials: M
authors.lastname: Lusuardi
mesh_terms: D001428:Bacterial Vaccines / Q000627:therapeutic use; D006801:Humans; D018928:Immunity, Mucosal / Q000276:immunology*; D012141:Respiratory Tract Infections / Q000188:drug therapy / Q000517:prevention & control*; D014611:Vaccination / Q000379:methods
chemical_list: D001428:Bacterial Vaccines