| ATMA | antithyroid plasma membrane antibody |
|---|---|
| AVA | activity vector analysis; antiviral antibody; aortic valve area; aortic valve atresia; arteriovenous... |
| BA | Bachelor of Arts; backache; bacterial agglutination; basilar artery; basion; benzyladenine; best amp... |
| BHA | bound hepatitis antibody; butylated hydroxyanisole |
| BRA | bilateral renal agenesis; bone-resorbing activity; brain-reactive antibody |