TY - BOOK ED - Medical News Today TI - What are hepatitis B surface antibodies, and how do they help the immune system? T2 - Medical News Today PY - 2022/// CY - Bexhill-on-Sea PB - Medical News Today KW - Diagnosis & assessment: Tests/procedures N2 - This article explains what hepatitis B surface antibodies are, how hepatitis B blood tests work, and how to interpret the results UR - https://www.medicalnewstoday.com/articles/hepatitis-b-surface-antibody ER -