Hepatitis B Surface Antigens

**Definition:** Those hepatitis B antigens found on the surface of the Dane particle and on the 20 nm spherical and tubular particles. Several subspecificities of the surface antigen are known. These were formerly called the Australia antigen.

**Tree numbers:** - D12.776.964.350.495.500.475 - D23.050.327.495.500.475

**Synonyms:** - Australia Antigen - HBsAg - Hepatitis B Surface Antigen