| APA | action potential amplitude; aldosterone-producing adenoma; Ambulatory Pediatric Association; America... |
|---|---|
| APDER | anterior-posterior dual energy radiography |
| APE | acetone powder extract; acute polioencephalitis; acute psychotic episode; airway pressure excursion;... |
| APH | alcohol-positive history; alternative pathway hemolysis; aminoglycoside phosphotransferase; antepart... |
| APR | abdominoperineal resection; absolute proximal reabsorption; acute phase reaction or reactant; amebic... |