| NAR | nasal airway resistance; National Association for Retarded [Children, Citizens]; no action required |
|---|---|
| DIT | Diet Induced Thermogenesis = Thermic Effect of Food = Specific Dynami... |
| AMPAC | American Medical Political Action Committee |
| AP | accessory pathway; accounts payable; acid phosphatase; acinar parenchyma; action potential; active p... |
| APA | action potential amplitude; aldosterone-producing adenoma; Ambulatory Pediatric Association; America... |