The development of vaccines against pneumonic pasteurellosis in sheep.
D000818:Animals; D000917:Antibody Formation; D001428:Bacterial Vaccines; D010325:Pasteurella / Q000276:immunology*; D010326:Pasteurella Infections / Q000517:prevention & control / Q000662:veterinary*; D011014:Pneumonia / Q000517:prevention & control / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000517:prevention & control*
D001428:Bacterial Vaccines