title: What Is Your Diagnosis?
mesh_terms: D000400:Air Sacs; D000818:Animals; D001228:Aspergillosis / Q000473:pathology / Q000662:veterinary*; D001715:Bird Diseases / Q000382:microbiology* / Q000473:pathology / Q000601:surgery; D004372:Ducks; D017809:Fatal Outcome; D008297:Male; D011014:Pneumonia / Q000382:microbiology / Q000473:pathology / Q000662:veterinary; D012141:Respiratory Tract Infections / Q000382:microbiology / Q000473:pathology / Q000662:veterinary*