title: Failure of M. gallisepticum infection to predispose chickens to coliform pericarditis.
mesh_terms: D000818:Animals; D002645:Chickens; D004927:Escherichia coli Infections / Q000209:etiology / Q000662:veterinary*; D009175:Mycoplasma Infections / Q000150:complications / Q000662:veterinary*; D010493:Pericarditis / Q000209:etiology / Q000473:pathology / Q000662:veterinary*; D011201:Poultry Diseases / Q000209:etiology