title: Precipitins and the diagnosis of a hypersensitivity pneumonitis.
mesh_terms: D000190:Actinomyces / Q000276:immunology; D000485:Allergens; D004391:Dust; D005658:Fungi / Q000276:immunology; D006801:Humans; D006967:Hypersensitivity / Q000175:diagnosis*; D005779:Immunodiffusion; D008171:Lung Diseases / Q000175:diagnosis*; D009784:Occupational Diseases / Q000276:immunology; D011234:Precipitins / Q000032:analysis*; D011506:Proteins
chemical_list: D000485:Allergens; D004391:Dust; D011234:Precipitins; D011506:Proteins