title: Letter: Dangerous Australian antigens.
mesh_terms: D005189:False Positive Reactions; D006509:Hepatitis B / Q000276:immunology; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006801:Humans; D008198:Lymph Nodes; D012507:Sarcoidosis / Q000276:immunology; D012882:Skin Tests
chemical_list: D006511:Hepatitis B Antigens