title: Heavy-density particles of Australia antigen detected in a human plasma pool.
mesh_terms: D002353:Carrier State / Q000382:microbiology; D002499:Centrifugation, Density Gradient; D002586:Cesium; D002712:Chlorides; D003168:Complement Fixation Tests; D006506:Hepatitis A / Q000382:microbiology; D006511:Hepatitis B Antigens; D006801:Humans; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D008854:Microscopy, Electron
chemical_list: D002712:Chlorides; D006511:Hepatitis B Antigens; D002586:Cesium