title: Human immunodeficiency virus and hepatitis testing of old bottles of plasma.
mesh_terms: D001793:Blood Preservation; D017977:Deltaretrovirus / Q000302:isolation & purification*; D005615:Freezing; D006512:Hepatitis B Core Antigens / Q000302:isolation & purification*; D006801:Humans; D010949:Plasma / Q000382:microbiology*; D013997:Time Factors
chemical_list: D006512:Hepatitis B Core Antigens