Subtypes of hepatitis B antigen.
D002353:Carrier State / Q000382:microbiology; D006505:Hepatitis / Q000382:microbiology; D006509:Hepatitis B / Q000382:microbiology; D006511:Hepatitis B Antigens; D006801:Humans; D012703:Serotyping; D019966:Substance-Related Disorders
D006511:Hepatitis B Antigens