The separation of the histamine-sensitizing factor from the protective antigens of Bordetella pertussis.
D000942:Antigens, Bacterial; D001886:Bordetella pertussis; D006632:Histamine; D037342:Pertussis Toxin
D000942:Antigens, Bacterial; D006632:Histamine; D037342:Pertussis Toxin
HEMOPHILUS PERTUSSIS; HISTAMINE