| AAPM&R | American Academy of Physical Medicine and Rehabilitation |
|---|---|
| AAPP | American Academy on Physician and Patient |
| AAPS | American Association of Plastic Surgeons; Arizona Articulation Proficiency Scale; Association of Ame... |
| AASK | African American Study of Kidney Diseases and Hypertension Pilot Study |
| A&B | apnea and bradycardia |