title: The influence of micro-organisms on the severity of lesions in chronic ovine pneumonia.
mesh_terms: D000818:Animals; D001424:Bacterial Infections / Q000382:microbiology / Q000473:pathology / Q000662:veterinary*; D008168:Lung / Q000473:pathology; D009175:Mycoplasma Infections / Q000473:pathology / Q000662:veterinary; D011014:Pneumonia / Q000382:microbiology / Q000473:pathology / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000382:microbiology* / Q000473:pathology