| PAD | pain and distress; patient surface axis depth; percutaneous abscess drainage; percutaneous automated... |
|---|---|
| RPA | radial photon apsorptiometry; replication protein A; resultant physiologic acceleration; reverse pas... |
| SPECT | single photon emission computed tomography |
| 'Greek letter alpha' | angular acceleration; first [carbon atom next to the carbon atom bearing the active group in organic... |
| AO | abdominal aorta; achievement orientation; acid output; acridine orange; ankle orthosis; anodal openi... |