title: 'False positive' precipitation reactions to extracts of organic dusts due to a teichoic acid from S. aureus. Techniques.
mesh_terms: D000042:Absorption; D000818:Animals; D000941:Antigens / Q000032:analysis; D001097:Arachnida / Q000276:immunology; D003069:Coffee; D010856:Columbidae; D004391:Dust; D002523:Edible Grain; D000939:Epitopes / Q000032:analysis; D005189:False Positive Reactions; D005243:Feces / Q000276:immunology; D005944:Glucosamine; D006801:Humans; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D008171:Lung Diseases / Q000175:diagnosis; D010944:Plants; D010947:Plants, Toxic; D011135:Polysaccharides, Bacterial; D013210:Staphylococcus / Q000276:immunology*; D014026:Nicotiana
chemical_list: D000941:Antigens; D003069:Coffee; D004391:Dust; D000939:Epitopes; D011135:Polysaccharides, Bacterial; D005944:Glucosamine