| APD | action potential duration; acute polycystic disease; advanced physical diagnosis; anteroposterior di... |
|---|---|
| APECED | autoimmune polyendocrinopathy-candidosis-ectodermal dystrophy |
| APS | adenosine phosphosulfate; American Pain Society; American Pediatric Society; American Physiological ... |
| ATP | adenosine triphosphate; ambient temperature and pressure; autoimmune thrombocytopenic purpura |
| CAAH | chronic active autoimmune hepatitis |