Epornitics of aspergillosis in mallards (Anas platyrhynchos) in north central Colorado.
D000400:Air Sacs / Q000473:pathology; D000818:Animals; D001228:Aspergillosis / Q000453:epidemiology / Q000473:pathology / Q000662:veterinary*; D001715:Bird Diseases / Q000453:epidemiology* / Q000473:pathology; D003120:Colorado; D004372:Ducks; D008168:Lung / Q000473:pathology