title: Detecting H.A.A. in small quaniities.
mesh_terms: D003168:Complement Fixation Tests; D006511:Hepatitis B Antigens / Q000302:isolation & purification; D006515:Hepatitis B virus / Q000302:isolation & purification*; D005779:Immunodiffusion; D008107:Liver Diseases / Q000382:microbiology*
chemical_list: D006511:Hepatitis B Antigens