title: Farmer's lung.
mesh_terms: D000193:Actinomycetales Infections / Q000150:complications; D000208:Acute Disease; D000328:Adult; D002908:Chronic Disease; D003937:Diagnosis, Differential; D005203:Farmer's Lung / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology / Q000276:immunology / Q000473:pathology / Q000517:prevention & control / Q000628:therapy; D006801:Humans; D006967:Hypersensitivity / Q000150:complications; D008168:Lung / Q000000981:diagnostic imaging / Q000473:pathology; D008297:Male; D005082:Physical Exertion; D011653:Pulmonary Diffusing Capacity; D011859:Radiography; D012129:Respiratory Function Tests