title: The effect of Mycoplasma ovipneumoniae and Pasteurella haemolytica on specific pathogen-free lambs.
mesh_terms: D000818:Animals; D008168:Lung / Q000473:pathology; D009174:Mycoplasma / Q000472:pathogenicity*; D010325:Pasteurella / Q000472:pathogenicity*; D010326:Pasteurella Infections / Q000473:pathology / Q000662:veterinary*; D011019:Pneumonia, Mycoplasma / Q000473:pathology / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000382:microbiology*; D013047:Specific Pathogen-Free Organisms