title: The use of Bordetella pertussis preserved in liquid nitrogen as a challenge suspension in the Kendrick mouse protection test.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D001886:Bordetella pertussis / Q000254:growth & development / Q000276:immunology*; D002364:Caseins / Q000494:pharmacology; D002452:Cell Count; D003470:Culture Media; D005260:Female; D005615:Freezing; D005990:Glycerol / Q000494:pharmacology; D006736:Horses / Q000276:immunology; D007106:Immune Sera; D007112:Immunity, Maternally-Acquired; D007274:Injections, Intraperitoneal; D008297:Male; D051379:Mice; D009584:Nitrogen; D010567:Pertussis Vaccine / Q000008:administration & dosage / Q000592:standards*; D011817:Rabbits / Q000276:immunology
chemical_list: D002364:Caseins; D003470:Culture Media; D007106:Immune Sera; D010567:Pertussis Vaccine; D009584:Nitrogen; D005990:Glycerol