title: Relationship between gross lesions and Escherichia coli serotypes in chronic respiratory disease (CRD) of poultry.
mesh_terms: D000400:Air Sacs / Q000382:microbiology*; D000818:Animals; D004926:Escherichia coli / Q000276:immunology*; D011201:Poultry Diseases / Q000382:microbiology*; D012141:Respiratory Tract Infections / Q000382:microbiology / Q000662:veterinary*