| RISC | reduced-instruction-set computer |
|---|---|
| TBI | thyroid-binding index; thyroxine-binding index; tooth-brushing instruction; total-body irradiation; ... |
| AACCN | American Association of Critical Care Nurses |
| AACN | American Association of Colleges of Nursing; American Association of Critical-Care Nurses |
| AAIN | American Association of Industrial Nurses |