Silo-filler's disease.
D006801:Humans; D009584:Nitrogen / Q000633:toxicity*; D009784:Occupational Diseases; D011014:Pneumonia / Q000000981:diagnostic imaging*; D011859:Radiography; D012832:Silo Filler's Disease
D009584:Nitrogen
NITROGEN/toxicology; OCCUPATIONAL DISEASES; PNEUMONIA/radiography