| HBsAg | Hepatitis B surface Antigen |
|---|---|
| AMLSGA | acute myeloblastic leukemia surface glycoprotein antigen |
| anti-HBs | antibody to hepatitis B surface antigen |
| ASA | acetylsalicylic acid; active systemic anaphylaxis; Adams-Stokes attack; American Society of Anesthes... |
| BSA | benzenesulfonic acid; Biofeedback Society of America; bismuth-sulfite agar; bis-trimethylsilyl-aceta... |