| ANIA | automated nephelometric immunoassay |
|---|---|
| APD | action potential duration; acute polycystic disease; advanced physical diagnosis; anteroposterior di... |
| APP | acute phase protein; alum-precipitated pyridine; aminopyrazolopyrimidine; amyloid peptide precursor;... |
| APS | adenosine phosphosulfate; American Pain Society; American Pediatric Society; American Physiological ... |
| ARIA | acetylcholine receptor-inducing activity; automated radioimmunoassay |