title: Detection of Australia antigen in various fractions of frozen blood.
mesh_terms: D001782:Blood Donors; D001793:Blood Preservation; D005615:Freezing; D006509:Hepatitis B / Q000517:prevention & control*; D006515:Hepatitis B virus / Q000302:isolation & purification*; D006801:Humans; D005779:Immunodiffusion; D065227:Transfusion Reaction