title: Studies on Pasteurella multocida. I. Efficacy of an avirulent mutant as a live vaccine in turkeys.
mesh_terms: D000818:Animals; D009154:Mutation; D010325:Pasteurella / Q000276:immunology; D010326:Pasteurella Infections / Q000276:immunology / Q000517:prevention & control / Q000662:veterinary*; D011201:Poultry Diseases / Q000517:prevention & control*; D014422:Turkeys; D014611:Vaccination; D014613:Vaccines, Attenuated; D014765:Viral Vaccines
chemical_list: D014613:Vaccines, Attenuated; D014765:Viral Vaccines