title: Nasal and tracheal resistance of swine against reinfection by Bordetella bronchiseptica.
mesh_terms: D000818:Animals; D001884:Bordetella / Q000302:isolation & purification; D017053:Infection Control; D007239:Infections / Q000662:veterinary; D009666:Nose / Q000382:microbiology*; D013449:Sulfonamides / Q000008:administration & dosage*; D013552:Swine; D013553:Swine Diseases / Q000517:prevention & control*; D014132:Trachea / Q000382:microbiology*
chemical_list: D013449:Sulfonamides