| anti-HBe | antibody to hepatitis B early antigen |
|---|---|
| anti-HBs | antibody to hepatitis B surface antigen |
| APC | acetylsalicylic acid, phenacetin, and caffeine; activated protein C; adenoidal-pharyngeal-conjunctiv... |
| APS | adenosine phosphosulfate; American Pain Society; American Pediatric Society; American Physiological ... |
| ARAM | antigen recognition activation motif |