| APS | adenosine phosphosulfate; American Pain Society; American Pediatric Society; American Physiological ... |
|---|---|
| ARAM | antigen recognition activation motif |
| ARC | accelerating rate calorimetry; acquired immunodeficiency syndrome-related complex; active renin conc... |
| ASA | acetylsalicylic acid; active systemic anaphylaxis; Adams-Stokes attack; American Society of Anesthes... |
| ASC | acetylsulfanilyl chloride; altered state of consciousness; ambulatory surgical center; American Soci... |