| AAHA | American Academy of Hospital Attorneys; American Association of Homes for the Aging |
|---|---|
| ABS | abdominal surgery; acute brain syndrome; Adaptive Behavior Scale; admitting blood sugar; adult bovin... |
| AFAR | American Foundation for Aging Research |
| AOA | American Osteopathic Association; Administration on Aging; Alpha Omega Alpha Honor Society; American... |
| OSA | obstructive sleep apnea; Office of Services to the Aging; Optical Society of America; ovarian sectio... |