title: The immunological relation between Haemophilus pertussis toxic filtrates and Haemophilus pertussis extracted toxin.
authors.forename: A M
authors.initials: AM
authors.lastname: BROWN
mesh_terms: D001419:Bacteria; D001886:Bordetella pertussis; D006190:Haemophilus; D014118:Toxins, Biological
chemical_list: D014118:Toxins, Biological